1999 ford f150 p0174 has lean codes PO171 (lean bank one) and P0174 (lean bank two). 0L, that over the last 2 yrs has kept the 171, 174 codes. I would suspect a vacuum leak. 2 all of a sudden ran rough with ticking sound,got it back home(20 miles)plugged code checker in,and got these codes;p0301,p0302,p0303,p0174 installed new plugs on all 6 cylinders (motorcraft platinum)and plug wires, some improvement,but still runs rough,although the p0174,and the three misfire codes went away, it still makes ticking 1997 - 2003 F150 - p0171, p0174, & p0420 - 2002 f-150 5. 6 P0174 Code - I've looked around the forums quite a bit. 6l also, P0171, P0174, P2195, P2197 I took the cover off and reach behind the throttle body Ford F-150 / F-Series Generations. i also compared vacuum to another truck The code that is appearing is of course the dreaded P0171 and P0174. 1997 - 2003 F150 - 97 F-150 V6 - P0171 and P0174 - 97 F-150 4. thanks Lane24 for the info, I had the followings codes on the 4. After that had no affect, I smoke tested the intake using a homemade smoke tester I made from Youtube. Code P0174 mainly applies to V6 or V8 engines because4-cylinder engines generally have only one bank, Symptoms: P0171 + P0174 Ford F150. it misses a little bit at idle, but thats the only time it misses. In The Garage with CarParts. I know either one of these codes can mean something 1997 - 2006 Expedition & Navigator - P0171 and P0174 System too lean - I've been having these codes for about 3 thousand miles now. Locate the PCV valve in the passenger side valve cover and fallow it around to the back of the upper intake and see if its rotted out. com App . Engine / Transmission / Drivetrain. Modular V10 (6. DTCs P0171, P0172, P0174, and P0175 are not related to downstream HO2S sensors: When diagnosing a vehicle with a MIL On and DTC(s) P0171, P0172, P0174, and/or P0175 in continuous memory, 1997 - 2003 F150 - Need help troubleshooting P0171, P0174, P0302, P0303, P0304, P0305 - This past winter my son swapped $200 and a non-working go kart for a 2001 F150 XL 4. It might be a vacuum leak. Ford F150 Parts For Sale; Ford F250 Parts For Sale; Ford F350 Parts For Sale; Vendor Directory; Become a Vendor; Member Marketplace; Vendor By doing some ( a lot) of research on the subject from other Ford sites and forums, this is a culmination of what I’ve found out. of the engine running. The lean codes seem to come in first and at the same time after the codes are cleared. But before you go in to that, check the O2 sensor for the offending side then (if you don't have a good scanner) unplug the battery for 10 min to get the KAM to reset and the adaptive fuel tables will relearn. For most people the first sign that anything is wrong at all is the service engine soon light coming on. I am an old time wrench jockey and never wanted all this electronic stuff. I drove it for a few days and now i have a check engine light with codes p0171, p0174, and p0420. I went to purchase the 02 sensor at the part store and the clerk there asked me if it was the upstream or down stream sensor?? FORD F150 1999, ENGINE 4. 1987 - 1996 F150 & Larger F-Series Trucks - P0171 and P0174 on 1996 F-150 5. If anyone has a 1997 - 2003 Ford F150 - 1998 F150, P0171, P0174 codes, lean - I have a 1998 F150 4x4 Triton 5. Thread The cost of repairing a cylinder 2 misfire in a 1999 Ford F150 can vary depending on the specific cause of the issue and the extent of the repairs needed. After some 15 miles or so getting a P0156, and a P0174 again. Truck history; Current milage; 154,000 and change. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Also, it got a P1506 code (IAC overspeed error). I read this forum and checked most everything recommended. First, the codes do not appear in normal driving situations. Post by pabegry2 » Fri Aug 03, 2018 5:59 pm. 4 with a vacuum leak causing "System Too Lean" trouble codes P0171 and P0174. How to locate a vacuum leak without a smoke machine. Thread Tools Search this Thread #1 My truck is a 2006 Ford F250 XLT 5. Top. Repair Completed - Hello, everyone. Really, just the tool box and the tires/rims are worth that. BTW I am the original owner of this vehicle with 345,000 miles and it still runs great. I checked and reinstalled air conduits between the MAF sensor and the throttle body. 4 F150 codes P0171 and P0174. 2L regular bed/cab 4X4. 12 years at a Ford Lincoln/Mercury and Jaguar dealer as a technician and shop foreman. The truck is a 2001 6cyl (4. PCV was replaced, upper and lower intake manifold gaskets were replaced and MAF was cleaned. The parts are newer, fit snug, no cracks, etc. I'm going to start with the visual hose 1997 - 2003 F150 1997-2003 F150, 1997-1999 F250LD, 7700 & 2004 F150 Heritage Code P0174 system too lean bank 2 Reply Subscribe . If I clear all codes using a reader both of the sensors/codes appear again at the same Modular V8 (4. This happened once not too long ago on a very cold night. 1997 - 2006 Expedition & Navigator - '98 Expedition "System Too Lean", P0171, P0174 - The Check Engine light was turned on yesterday on my '98 Expedition EB. Thread Tools Ford Expedition 2001 Codes P0174 , P0172. I purchased a new $160. State Inspector & Ford Diagnostics/Repair. 2L V6 - runs / idles rough - New member, but longtime reader looking for some thoughts / help. P0174 Symptoms Hey guys my dad has a 96 F150 XL with a 300 6cyl. They are both thrown when the oxygen sensors detect that there is not enough oxygen in the exhaust. Thread Tools Search this Thread Feb 2, 2010 | 01:34 PM 1997 - 2003 Ford F150 - P0174 HELP!! Only bank 2! - I have a 2000 F-150 4. 2022+ F-150 Lightning; 2021+ F150; 2015 - 2020 F150; 2009 - 2014 F150; 2004 - 2008 F150; 1997 - 2003 F150; Lightning, Harley-Davidson F-150, Roush F-150 & Saleen F-150; 2015 Ford F150 Forum. 4L P0171 P0174 code - I have about 45,000 miles on my 03 gas only 5. I have cleaned the MAF, changed the fuel filter, looked for vacuum leaks, checked for vacuum leaks with the MAF cleaner (flammable), checked every thread on this forum, had the check engine light reset several times. There are a number of potential causes of P0175 in the Ford F150. Also, you I have also heard that a vacuum leak will cause the P0174 and P0171 codes at the same time. It's just a record of what I recently did to get rid of these codes and some other problems. These are great trucks if you take care of them. 4L) Modular V8 (4. but here we are. 7L (2011-newer) When I start driving it, that is when I the the P0172 and P0174. It has been a great truck with very few problems. 4L) - P0171 and P0174 - My 2000 5. Since 1999 Ford Forum is a community to discuss all things Ford. Learn what Fuel Injection System Too Lean Bank 1 means, location and how to repair? If the P0171 is combined with the P0174 code, it's very likely that the problem is caused by an intake leak. The code is p0174 (too lean on bank2). Having both codes indicates that whatever is causing these lean codes is affecting both sides of the engine Ford F150 Forum. Misfire– If the air-fuel mixture has gotten too far from the 14. A firing order and cylinder location diagram may be needed to see which side of the engine is Bank 1 or Bank 2. Once I accelerate or after a few moments, the rough idle is gone and 1987 - 1996 F150 - P0171 & p0174 - I'm troubleshooting a P0171 & P0174 code on my truck and just wanted to make sure I'm on the right track. 1997 - 2003 Ford F-150. Re: Another P0171/P0174 problem 2000 Ford F150 trouble codes P0171 & P0174. Recently got a new dorman intake, egr, and egr tube all done by prior owner. They control secondaries in the intake manifold. The fix is a little rubber ’boot’ or elbow with a crack or a hole in it causing a vacuum leak. I looked up the code and it read MAF sensor. I am reading two codes. 9L EFI 4x4. Truck: Ford F-150, 4. I have 3 OBD codes coming up on my 2001 F150, it's 6 cylinder- P0171, P0174, P0402. 4 p0171 and p0174 codes - 99 f250 5. I just got this same code on P0174 P1506 P1120 So the 1120 code - Throttle Position sensor - replaced that a while ago, that ones gone. Re: 2000 F150 codes P0171 and P0174. Engine Bank 1 is the same side of the engine as Engine Cylinder 1. 8l) - Solution to my Code P0171, P0174 Problem - On a long trip in our 2013 E350 Class C motorhome (6. 100,300 miles. If you shop at Amazon. FAQ; F150 Forum. (they must be tight to be grounded and work properly) i will keep my fingers crossed that this is the ghost i was chasing for the past 2 months. The service engine soon light came on. This means that there is an imbalance in the air-fuel mixture, with too much air and not enough fuel being delivered to the cylinders on that The P0174 code for Ford vehicles indicates that the fuel injection system on bank 2 is running too lean. It is throwing both codes p0172 (rich bank 1) and p0174 (lean bank 2). 6L - [FYI: Fix was a new MAF sensor results are on post #17 in this thread] I replaced the fuel filter and cleaned the MAF sensor (see other thread of mine) and I am getting pending faults for those lovely codes. 6L or 5. 4L. This truck has 252,000 miles on the odo, and still 1999 to 2016 Super Duty - Rough Idle, P0174,P0300,P0305 - So my truck seems to be misfiring as it has a rough idle (enought to shake the truck, literally) and reduced power. I have not found anyone that has had the same issue. The P0174 code for a 1997 Ford F150 indicates that the engine is running too lean on bank 2. I was unable to identify any other vacuum leaks. They will tell you what to check. Thread Tools Search this Thread Aug 30, 2011 | 12:26 PM 2000 f-150 5. Re: Vacuum Leak found! Still active though Post by GCRocketman » Mon May 02, 2011 9:17 pm. 2L engine, 5-speed trans. This means that there is an imbalance in the air-fuel mixture, with too much air and not enough fuel being delivered to the combustion chamber on the side of the engine labeled as bank 2. Truck idles really crappy, especially when its cold. Long story short, I pulled the codes with my Autel unit and found the P0171, P0174 codes indicating lean condition on banks 1 and Modular V8 (4. com. Typically, the first sign that anything is wrong is the check engine light. 4L 1998 clubwagon (e-150). 1997 - 2003 F150 1997-2003 F150, 1997-1999 F250LD, 7700 & 2004 F150 Heritage Ford F150 - Codes P0171 & P0174. I have a 99 4. 4 ecu codes p0171 and p0174 what do i do to fix this - Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website. Thank you Thank you. If pulling a trailer with good load, or stepping on it good with no trailer that's when I get the 1997 - 2003 F150 - 97 5. It is recommended to In the fleet i used to work on aIl the 4. 1997 - 2003 F150 1997-2003 F150, 1997-1999 F250LD, 7700 & 2004 F150 Heritage 03 F150 5. Engine runs very good, and it starts and idles fine. 01-22-2013 09:16 AM. Could p0172- p0174 be the cause of my squealing and if it can, would it be the manifold or the gaskets. 4 low idle. Tested Mass Air Flow Sensor - Answered by a verified Ford Mechanic. Cleared them a few 1997 - 2003 Ford F-150. Check for Other Codes. I have a 1999 Ford F-150 with about 108,000 miles on it. 1987 - 1996 F150 & Larger F-Series Trucks - 1996 F-150 4. this says that the truck is running too lean, but what i'm wondering is if it's an O2 sensor issue or what. The site for Ford truck owners, by Ford truck owners. A clogged or damaged fuel injector will cause the air-fuel mixture to lean out in one specific cylinder. 4 with codes p0171 and p0174. nI have been told its in the fuel system. thoffman New Member Posts: 10 Joined: Wed Dec 01, 2010 6:48 pm Truck: 1999 F-150 Lariat Edition. 4 Location: Denver, Colorado Right Front O2 Sensor (HO2S11) Heater Test (1997-1998 F150 - F250) Testing The MAF Sensor Circuits (1997-1999 Ford 4. I have p0171 a d p0174 lean codes. Post by 1997-2006 Expedition & Navigator - 98 Expedition 5. mark4861 New Member Posts: 23 Joined: Sun Jun 07, 2009 11:40 am Truck: 1998 f150 xlt Location: baltimore. Modular/Triton V8 Engines: 4. I have a 2000 Expedition with a 4. P0171 and P0174 occur when the air/fuel mixture on the vehicle gets too lean. it runs PERFECT! This was a 4. Changing good sensors (ones that show P0171 and P0174 codes does no good. Then a p0174, second bank lean. I looked under the hood and I can't locate the MAF sensor on my truck. Connect a Scanner to the DLC port and call up the live data as the motor runs. I heard that after a while the oil gums up 1997 - 2003 F150 - P0174 code, but no vacuum leak? - On my 99 F150 4. 98 150 4. 0. 1) In its life, I replaced 4 fuel pumps. Post by cokerdj » Mon Nov 10, 2003 6:31 am. Last week I decided to try and check the Egr valve for carbon build up, and Couldn't get the EGR to exhaust manifold tube loose. Check all vacuum Ford F150 Forum. 4L p0171 p0174 service engine soon light - Hi everyone, I have a 5. 9L / 300 - 96 f-150 codes p0171, p0174, p0420 - I recently bought a 96 f-150xl 4. 2L V6 - 2003 f150 4. It also has an extreme loss of power. 3FOX Hardcore Ford Truck Fanatic Posts: 3872 Truck: 2003 Ford f-150 Lariot supercab 4x4 Location: Texas City, Tx. 2 5speed - I had the check engine light come on and went to autozone and had the codes read. . Check your harmonic balancer- put a chalk mark across and look using a strobe light to see if it is rotating loosely. Platinumkanikas Regular Member Posts: What does the P0174 Code mean? The P0174 code means that the O2 sensor on bank 2 has recognized a too lean mixture, and the imbalance is too great for the O2 sensor to correct the issue on its own. It has 70,000 miles. Now the P0156 is gone and I only get About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright 2000 F150 codes P0171 and P0174. Any ideas? 99 Ford Expy, no mods. p0301 p0306, p0171,p0174. Re: Codes P0171 and P0174 1999 F-150 V6. This is a Ford Expedition 5. This article will help you to diagnose diagnostic trouble code P0171 (System Too Lean Bank 1) and/or P0174 (System Too Lean Bank 2) on your Ford, Mercury or Lincoln 4. I don't have a way to check fuel pressure on this thing since it 1987 - 1996 F150 & Larger F-Series Trucks - P0171, P0174 96 F-150 5. 2000 Ford F150 trouble codes P0171 & P0174. 4L which just started acting up. P0171 & P0174. The hose coming off the intake tube going driver side valve cover is split pretty bad 2004 - 2008 F150 - P0171 and P0174 together. NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Learn what P0174 code means plus more in this article. 18+yrs experience. 23 years with Ford specializing in drivability and electrical and AC. Thread Tools Search this Thread Jan 8, 2007 | 03:57 PM Ford Expedition 2001 Codes P0174 , P0172. I have never had any problems, and have only replaced spark plugs and oil since I've owned it. 6L gas engine in it and the MIL is lit. Australian Falcons General Tech Ford Crown Vic, Mercury Marauder, Ford F150 Forum. 2L V6 - Trouble code P0171 & P0174 on a 2003 F-150 with 4. P0171 says: February 13, 2020 at P0171 suggested causes: Ignition misfiring I have a 97 ford f150 Ford Truck Enthusiasts Community Navigation. Vacuum leak; Faulty oxygen sensor; Clogged fuel filter; Malfunctioning mass airflow sensor; Fuel injector issue; Symptoms of P0174 1998 Ford F150. I have the scanner tool on it when I am driving and 95% of the time it is the 1997 - 2003 F150 - 03 F150 5. 4L (97-10) Looking for recent topics? P0171 and P0174 1999 Ford 150. 2003 F150 4. My scan tool is pretty basic but I'm hoping I can get this solved without buying a better one 1999 - 2016 Super Duty - 99 f250 5. There aren’t always drivability issues associated with these codes. jfdewalt New Member Posts: 16 Joined: Sun Jan 20, 2008 10:41 pm. 9L EFI, 4x4 Regular Cab short bed. If the needed correction is out of this range, the P0174 code will be stored. These are the Tools and Parts Needed for this repair:Latest Ford Mass Air I have a 2001 Ford F-150 4. The check engine light came on recently so I scanned it and it shows code p0174(system too lean bank 2) and if I’m correct I beleive bank 2 is the driver side. Check out our discussions on the Ford Escape, Mustang, Edge, F-150, Raptor, Explorer, Focus, Fusion, Fiesta and more! Show Less . Still the CEL with the same codes came back even after I reset the computer. Need Parts? Download the CarParts. I read the codes from the computer and the only code showing is the P0174 which is the System Too Lean (Bank 2) fault. 2L V6. Reply. com (for anything), use this link to help support FordF150. I have seen alot bout this problem with the left bank or right runnin lean, i have checked for vacuum leaks and tested with vacuum gage. 0 acting a little differently. 2l po171, po174, po155 & p1151 solved! - I want to share some important information in the hopes of helping another F150 owner. 4 with 130,000 miles. the codes are as follows-- P0171: System too Lean (Richard. 2L V6 w/ about 85K miles. Used to stay off for about 500 miles or so, but now comes back on after only 5 miles. 00 code readed only to find it did not pinpoint a problem other than lean on both banks 1997 - 2003 F150 - 98 150 4. Note: This DTC code is similar to P0174, and your vehicle may display both codes simultaneously. 8 posts • Page 1 of 1. Common Causes of P0171 1999 Ford F150. Site Announcements; New Member Introductions; Ride Of The Week; User Gallery & Picture Display; Newer Light Duty Trucks. I cleared the codes and they came back within a few mins. msradio. 15 posts • Page 1 of 1. gbradcsi Regular Member Posts: 35 Truck: 1999 F-150 4X4 -5. Explore Our Forums. So not In the last couple months I have had codes popping up on my truck that are P0171, P0174, P0306, P0316, P1151. Jan 22, 2013 09:16 AM. And battery. 2. I had another topic about this but i cant 1999 - 2016 Super Duty - 5. P0171 and P0174 1999 Ford 150. On average, the cost of replacing spark plugs, ignition coils, and fuel injectors can range from $150 to $500, including parts and labor. 1997 - 2003 F150 1997-2003 F150, 1997-1999 F250LD, 7700 & 2004 F150 Heritage P0174 Code. 4L) How To Test The Camshaft Position Sensor (1997-1999 Ford 4. I remember cleaning the MAF as a maint item whenever I get a new to me vehicle. So, can any of you guys help 1997 - 2003 F150 - 2003 Ford F-150 5. To diagnose the P0174 Ford code, it typically requires 1. 2L V6 - p0171 & p0174 codes on 2000 econoline v6 - I just bought a 2000 for e250. Truck: 1999 F-150. There are two small rod's one from each valves connected 3. Also, pretty much randomly, my engine over-heats and the engine compartment coolant reservoir is How to determine the cause of a lean condition on a Ford 5. 4L Triton that has developed a problem noticed first in a check engine light. Re: F150 Now i'm still struggling with p0171 and p0174 which is the lean condition in bank 1 and 2. 7L (2011-newer) If your P0171 and P0174 has gone away---then the intake is not leaking. 1999 - 2016 Super Duty - P0171 p0174 - I have a 1999 Ford F-250 super duty with the 5. P0174 indicates that your Ford F150 is either getting too much air or not enough fuel. Lightning, Harley-Davidson F-150, Roush F-150 & Saleen F-150; 2015 + Expedition & 1999 Ford F150 4. There you will see the Short Term Fuel Trims and Long Term Fuel Trim percentsges of shift. I also had a P0171 and P0174 and the truck was running fine. If the problem 1997 - 2003 F150 - Code P0174 system too lean bank 2 - I was coasting down a steep hill yesterday when the CEL came on. Bun-Bun New Member Posts: 1 Joined: Tue Jan 29, 2008 1:48 am. We have tested the injectors ran 44k thru the system, tested o2 sensors, replaced to maf 3 times now, smoke checked for vaccum leak, 1997 - 2006 Expedition & Navigator - HELP!! P0302 and P0171 - Hi everyone! I have a 2000 Expedition XLT with 96,000 miles on it. This condition drove some pros nuts, so it is worth considering. I thought I would post a description of the problem and the fix. The service engine light has come on. Re: Help - 2003 F150 P0171 P0174 P0136 P0156 P1151 P1131 P03. Going down the road it runs rough and has little power, still making 1997 - 2003 F150 - 1998 e150 5. 4L) - P0174: System Too Lean (BAnk 2) - I have a 2001 F150 with the 4. Please always include 'year make model' first 3 words, or it it is difficult to answer and some vehicles are slightly different or more precise and will show known issues. P0171 is triggered by the engine bank 1 “upstream” oxygen sensor and P0174 is triggered by 1997 - 2003 F150 - P0171 & P0174 on 4. P0171 and P0174 Codes when Restoring the Stock Air Intake. 2L P0171 and P0174 codes. 9l inline 6 with about 183k miles. 4L (97-10) Looking for recent topics? Truck: 1998 F-150 4X4 Regular Cab - Long Bed 4. P0174 indicates Bank 2 of the engine has a lean fuel mixture. where is intake gasket and vacuum hose on ford 1999 e150 4. 13 posts • Page 1 of 1. 1. GCRocketman wrote:On a possibly related note (who knows at this point) Return to “1997 - 2003 Ford F-150” I have a 2001 F150 4. If the P0171 is combined with the P0174 code, it's very likely that the problem is caused by an intake The lean codes P0171 and P0174 are in most cases on your 1999 F 150 set due to a vacuum leak and it the cases of your truck, its usual the line from the PCV Valve. Visually checked for vacum leak(s), and replaced PCV Valve and hoses. The misfire codes and the last one just pop up occasionally. p0171 & p0174 codes 1997 - 2003 Ford F150 - 2000 4. 2 posts • Page 1 of 1. At the rear of the engine between the fire wall and the plinum there's a part called the IMRC. Reply Subscribe . 11 posts • Page 1 of 1. I have replaced a couple vacuum lines and it still comes back. Looking for recent topics? P0171 and P0174 Codes when Restoring the Stock Air Intake. 1997 - 2006 Expedition & Navigator. 4L P0171 P0174 code. Repair Information for P0171 1999 Ford F150 code. Ron. above idle it runs RkyMtnHi Hardcore Ford Truck Fanatic Posts: 4596 Joined: Sun Aug 22, 2004 1:58 am Truck: 1999 F-150 4X4 -5. Most auto repair shops commonly charge between $80 and $150 per hour; however, rates in metropolitan areas or at dealerships may Ford F-150 / F-Series Generations. Both the 171 &174 codes are either a O2 problem like connection, injector problem, vacuum leak fuel pressure low or a pcm problem. Return to “1997 - 2003 Ford 1997 - 2003 Ford F150 - Check engine light on with P0171 and P0174 codes - My 97 F150 4. Thread Tools P1131, P1151, P0171, P0174. When I would accelerate, it ran much better but as soon as I let of the gas it would miss. - 2005 f150 5. 0 - I know this is somewhat repetitive by my 1996 F150, 5. Other codes can provide valuable insight into what’s going on with your F150. 4 ecu codes p0171 and p0174 what do i do to fix this. 6 F150 - I have a 2006 F150 Super Crew that has 187,000 mile on it. 7:1 sweet spot, this can cause your Ford 1968-Present E-Series Van/Cutaway/Chassis - 2003 5. Lean I have a 99 F-150/4. Here are the typical symptoms that something is wrong when your F150 has codes P0174 and P0171. Ford F150 Forum. 0 hour of labor. P0174 System too lean bank 2, I have looked at other threads and they are all for both banks but mine is consistently only BANK 2, no matter how 1997 - 2003 F150 - p0172 & p0174 - Ive got a 99 f150 w/ 4. 6 P0174 code - I am getting code P0174 system to lean (Bank 2). 2 code P0174 - I have a F150 4. 5 posts • Page 1 of 1. The dreaded DTC P0171 and P0174: system too lean came up again. Brakofday New Member Posts: 2 Joined: Fri Jul 08, 2011 9:47 pm Truck: 1999 F-150 4X4 -5. The only problem with it is I have a reoccurring code. My fuel pressure reads 29lbs at To diagnose the P0174 1997 Ford F150 code, it typically requires 1. 6L, 5. Return to “1997 - 2003 Ford F-150” P0174 is a trouble code associated with a lean condition on the cylinder bank 2. I will address Ford F150 Forum. 4, automatic, AC, it has 110,000 miles. Post by mark4861 » Thu May 16, 2013 4:04 pm. 41,742 Satisfied Customers. 6L on a 1999 Town Car. Looking for recent topics? Another P0171/P0174 problem. Here is my issue: In Maintenance Shop - P0172 and P0174 - I have been trying to figure out what is wrong with my truck for the past couple weeks. Thread Tools Search this Thread Got one from a Ford dealer and no problems since. 1997 - 2003 F150 1997-2003 F150, 1997-1999 F250LD, 7700 & 2004 F150 Heritage 98 150 4. Any help for things to check would be appreciated. 4 Location: Denver, Colorado. Tried cleaning the MAF sensor, but it didn't really do anything. after a bachelors degree worth of research I have taken many steps to troubleshoot and fix the pro 1997 - 2003 F150 - P0174 Code - I go to Advance Auto to have the service engine soon light checked and it coded P0174, bank 2 too lean I believe. 52,487 Satisfied Customers. There's no hesitation or stall. The truck runs fine no problems there. Additional costs may apply if further diagnostics or repairs are required. Pulled the codes at Autozone and they came up P0171 & P0174 - too lean on banks 1 $ 2. 2L (1997-2008), 3. spade2561 Regular Member Posts: 26 Joined: Sun Jan 22, 2012 6:42 am Truck: 2000 F150 4X2 4. Ford Trouble Code P0171: Fuel Trim System Too Lean (Bank 1) Ford Trouble Code P0171 is set by your vehicle’s powertrain control module (PCM) when it detects that your vehicle’s air-fuel ratio is too lean. 4L (97-10) Looking for recent P0171 1999 Ford F150 Code - Fuel Injection System Too Lean Bank 1. 2L I bought this truck used with 16k miles. 2 engines 04 and prior all ended up getting upper and lower intake manifold gaskets due to 0174. 1997 - 2003 Ford F150 - 1999 4. I have tried everything I can think of and nothing fixes it. So heres another lean codes thread. 1999 ford f150 with a 5. gbradcsi Regular Member Posts: 35 Joined: Tue Mar 22, 2005 1:07 pm. I assume that this could be due to either a bad oxygen sensor or a bad P0171, P0174 1996 Ford F-150 4. Fuel Mileage-may or may not suffer depending 1997 - 2003 F150 - codes P0171 & P0174 '01 F150 4. Can a dirty air filter cause code P0174? Yes, a dirty air filter can potentially cause this code by affecting the air-fuel mixture in the engine. Here is what I have done so far. P0171 and P0174 both showed up. 2 by Ford P0174 OBD-II Trouble Code Definition: P0174 Fuel Trim System Lean Bank 2 P0174 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0174 System Too Lean What does the code mean? 2003 Ford F-150 Harley-Davidson 2003 Ford F-150 2003 Ford Explorer Sport Trac 2003 Ford Explorer 2003 Ford Expedition 2003 Ford Excursion 2003 Ford Escort ZX2 2003 Explorer, Sport Trac, Mountaineer & Aviator - P0171, P0174, P0430 on 1998 Explorer - I have these codes up for system too lean, bank 1 and 2, and 430: catalytic system below standard. 2) with a 5 speed stick transmission. 2L. Return to “1997 - 2003 Ford F-150” 1997 - 2003 F150 - CHECK ENGINE LIGHT P0174 P0455 P0401 P0171 - I have a 1997 F150, 4. CEL is on and have had it checked. I have cleaned the maf sensor and also installed a new pc valve. redrock233. I have a 2002 f150. Engine ran fine when cold, but as soon as it warmed up it would idle How to Diagnose and Fix P0175 in the Ford F150. Check most probable issues, MAF sensor was clean, checked for vacuum leaks with brake cleaner and nothing seems to be blowing my skirt up so to speak. 2L automatic, all stock, with 215k miles. Ford Truck Enthusiasts Site Navigation. The specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. 4L equipped car, pick up, van or SUV. It failed the emissions test for 2 reasons. I put a vacuum on the EGR and the engine almost stalled immediately. If there are no intake leaks, the next step is to replace the air filter and clean the air flow meter. No codes until middle of summer, then started getting just the Help - 2003 F150 P0171 P0174 P0136 P0156 P1151 P1131 P0300. 2 v6 5 speed man. 6L,4x4, Fully Loaded. It's now at 110k. One time it stalled halfway out of my neighborhood so and everytime I started and Come along as we look into why this 2004 Ford F-150 is setting a P0174 Bank 2 lean. We recommend checking your vehicle for other codes first (so you don’t go in blind) and starting with the easiest stuff first. The truck has 66,000 miles and I have owned it since it was new. Your car or truck has either a P0171, P0174 lean fault code or both stored in the pc, these codes derive from Oxygen Sensor (O-2) readings. The evap canister is by the fuel tank but if you put a valve in it and the code doesnt' go away it needs a smoke test. Well, after a year or so, I finally got around to putting a new MAF in a few days ago. 3. 4L P0171 & P0174 solved - Thanks members!!! I was getting the P0171 & P0174 errors and I was able to fix it today thanks to the group. rough idle, check engine w/ P0171 & P0174 codes - I have a 98 Expedition with a 5. I bought the truck with 3 miles on it, so I know the history of the truck. It is P-Zero 0, not P-oh O. 2 V6. I've cleared the codes a bunch of times after each attempted fix, no luck. 6L Location: Woodlands, MB, Canada. Maintenance Shop - P0171 and P0174 wont go away. The throttle body has been taken off and clean, (was not even clogged), EGR valve replaced last year, DPFE sensor replaced FORD P0171 and P0174. Skip to content. Post by RkyMtnHi » Sat Jan 31, 2009 11:18 pm. Truck: 1999 F-150 4X4 -5. A perpetual P0171 code was preventing me fr 1999 - 2016 Super Duty - Engine code P0174 - Hello everyone, I went to my auto store and hooked up the code machine and it read P0174 System too lean - Bank 2 . I changed the EGR valve and the DPFE, checked the hose too. Post by Bun-Bun » Tue Jan 29, 2008 1:55 am. When cold, it cranks just fine and runs just fine but when its be ran for a while it hard as hell to startit staggers and knocks real hard. Ford Truck Enthusiasts Forums; Newer Light Duty Trucks; 1997 - 2003 F150; Code P0174 system too lean bank 2 1997 - 2003 F150 1997-2003 F150, 1997-1999 F250LD, 7700 & 2004 F150 Heritage Code P0174 system too lean bank 2 How much does it cost to fix code P0174 on a Ford F150? The cost can vary widely depending on the cause, ranging from $50 for a simple vacuum leak to $500 or more for sensor replacements or fuel system repairs. If the pump is not supplying enough fuel to the engine, the air-fuel mixture can become too lean. , about 197,600 miles and have been getting P0306 and P0174 codes. 4l P0171 P0174 Solved. 8 - These codes reporting. P0171 and 1999 - 2016 Super Duty - DTC codes P0171 & P0174 - I've had DTC P0171 & P0174 (lean in bank 1 and lean in bank 2) for a few weeks now (check engine light cued me on it). Looking for recent topics? p0301 p0306, p0171,p0174. Quick links. I pumped smoke directly into the intake at the brake booster connection for at least 5 1997 - 2003 F150 - P0174 - I have a 2000 f150 4. Tech Notes for P0171 1999 Ford F150. Mileage-may or may not suffer depending on how much the air-fuel mixture has changed. Also Re: P0171, P0174 and P1443 on 1996 Ford F-150 Post by MookeOVII » Mon Mar 17, 2008 10:08 pm I have a '96 F-150, 5. The P0174 code for a 1999 Ford F150 indicates that the engine control module (ECM) has detected a lean condition on Bank 2 of the engine. The truck runs great at Idle, but give it gas and it has a rattle and it will pop once in a while. 4 p0171 - I got a 06 f150 that is consistently throwing a lean code p0171 and sometimes a p0174. Codes P0171 and P0174 1999 F-150 V6. P0171 and p0174 - 4. 4 P0171 P0174 - Put this here to add to the threads on the subject :oval Let my son borrow the truck and it came back with these common codes. Ford F150 Parts For Sale; Ford F250 Parts For Sale; Ford F350 Parts For Sale; Vendor Directory; Become a Vendor; Member Code P0174 1997 Ford F150 Description. For more information on this topic, 1997 - 2003 Ford F-150. Just FYI, I bought a can of ELECTRICAL CONTACT CLEANER, sprayed the snot out of my f-150's MAF sensor (took it all apart like the instructions said, and wifes Expy wighout Question edited for clarity. I have both O2 sensors triping P0171 and P0174, Fuel trim too lean bank 1 and same for bank 2. Took it to the Ford place to have brake work done and diagnose the "Check Engine Soon" light. After experiencing the above System too Lean codes and EGR flow insufficient I read nearly every entry on solving this problem for my 2002 F150 4. Ive already replaced the fuel filter. 4 p0171 and p0174 codes it?s running too lean originally took it to use obd scanner and read those codes I replaced the o2 sensor and took it back to use scanner and they said it was the o2 sensor wire. I am not sure how to check for this without a fancy machine. 2LThis truck came to me with a really bad backfire and misfire. 112000 mi. There aren’t usually any drivability issues associated with P0174. Ford F-150 / F-Series Generations. 4L) - Engine shuddering under acceleration; code P0171, P0174 - '03 Expedition Eddie Bauer, 4. Re: 1999 150 coolant leak. P0174- System Too Lean (Bank 2). My check engine light came on. I figured it had to be something simple because during cranking the engine would spin over for Low fuel pressure due to a weak fuel pump: A weak fuel pump can cause the P0174 code to appear. If the P0174 is combined with the P0171 code, the problem is likely caused by an intake leak or the Intake Plenum Gasket and seals. Since I only pull the P0174 code and I have checked for leaks in the PCV line and elbows and couldn't find anything, I am stumped. In this video I have a Ford Ranger with lean codes on both banks, freeze frame indicates that the lean condition is happening at idle. Ford certs and ASE Certs. 4. Could some help me out. Ron Z. 2. 6L V8 My Expedition is running extremely rough at idle and under acceleration. Ford Ford Inline Six, 200, 250, 4. I have been running a K&N filter since it was new. 2 CODE P0171,P0174. My check engine light just came on, took it to AutoZone and got codes P0302 and P0171. Autozone scanned it for me. 7:1 sweet spot, this can cause your Ford F250 to 1997 - 2003 Ford F150 - Chasing P0171 P0174 faults on 1997 F150 4. This means the PCM relays that the Modular V8 (4. Click on the two links I posted with my message. 2 L engine 6 cyl and my check engine light is so I had them hook truck up to see what code it threw back and it said P0174. 6 P0174 code. 4l triton that?s throwning these lean codes, I recently have done all the intake gaskets and as far as I know all the vacuum lines are connected. P0171 P0455 P0401 P0174 Now with that said. 2l code p1151 p1131 problem. 6, with 175,000 miles on it. I have replaced fuel filter, MAF, Checked for vac leaks by smoke and water test. Maintenance Shop - P 0174, p0171, p0401 Problem solved - Just a quick posting to thank the F150 forum for being there. This post is not a request for help, as the work is done. Bought this truck back in november with 283,000km 1997 - 2003 Ford F150 - P0171 and P0174 Help 1999 4. 4 3v P0171 and p0174 - Looking for some help on my 2005 f250 5. The problem is still there. Common Causes of P0174 1998 Ford F150. , 186000mi I'm getting codes p0171, p0174 &p0420. My oldest daughter was driving it (mistake #1) and said it started running rough out of nowhere and sounded like it had a huge air General F150 Discussion - P0171 & P0174 Lean Codes 4. net! Looking for recent topics? Codes P0171 and P0174 1999 F-150 V6. i am getting the p0174 code, bank 2 lean. 2 V6 SuperCab with only 108,000 miles on it. The check engine light came on and stayed on. I started last winter with P0171 and P0174 only when very cold air temp. It was missing, shaking and would barely run at idle. The bubbling you see is the spray hitting the hot engine. I cleared all the DTC?s, then drove 10 miles. Full Forum Listing. Post by RkyMtnHi » Fri Jul 22, 2011 5:06 pm. FORD F150 1999, ENGINE 4. 6L 2 Valve engine. In this video I will show you how to use freeze fr 3. Clogged or dirty fuel injectors: Fuel How to Fix the DTC P0174 1999 Ford F150? Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Harveyb New Member Posts: 7 Joined: Sat Dec 01, 2012 9:54 pm Truck: 2000 f150 4x4. Was told I need to replace the upper and lower intake gaskets (codes P0171/P0174 - system lean banks 1 & 2) along with the PCV valve. Code reader shows codes P0171 and P 0174 (Lean This 2004 F-150 has leaned codes P0171 and P0174. Post by RkyMtnHi » Thu Feb 02, 2012 4:10 pm. My Explorer is rough idleing in the morning, or even stalling out. 8L V10) I had the notorious CEL accompanied by rough idle and stalling. The truck doesnt start hard, doesnt lack power and isnt backfiring. Last edited by brhtruck on Sun Apr Ford F150 Parts For Sale; Ford F250 Parts For Sale; Ford F350 Parts For Sale; Vendor Directory; Become a Vendor; Member Marketplace; Vendor Marketplace; New Posts; 2003 F150 1997-2003 F150, 1997-1999 F250LD, 7700 & 2004 F150 Heritage F150 4. P0171 & p0174 codes. The O2 sensor can correct a fuel mixture of +-15%. P0171- System Too Lean (Bank 1), and 2. After searching forever on the web, I found that the expedition seems to have the same engine and problem. 7 posts • Page 1 of 1. I took screen grabs of my phone when 1999 f-150 4. I was wondering if you guys might have any ideas as to what could be causing this although its more than likely a vacuum leak. 6l - Hi I am having a little problem with my truck, I am getting a P0171 and P0174 lean bank codes. Ford F250 P0174: Symptoms. 4 engine. I have a 1999 Ford Expedition, which was running 1997 - 2006 Expedition & Navigator - intermit. I had the oil changed a couple of days ago and was told that I need a new PCV valve and air f 1983 - 2012 Ranger & B-Series - 1998 Ford Ranger, P0171,p0174 and P0303 - My history; 69' gto, 69' camaro, checvy 350's etc. 4L) - 4. 2L V6 getting the P0171 and P0174 code (Fuel trim bank one and bank two condition. 1997 - 2003 F150 1997-2003 F150, 1997-1999 F250LD, 7700 & 2004 F150 Heritage 97 5. 2 V6 Truck: 1999 F-150 4X4 -5. I am assuming that it's an o2 sensor. Re: NEED HELP code p0171, not the easy 2004 - 2008 Ford F150 - 2006 f150 5. What sticks out to me is, I only have the P0174 code, and everyone else seems to have that, AND the P0171 code. The truck runs fine, I haven't noticed any problems other than the CEL. DTCs P0171, P0172, P0174, P0175 may be stored in memory OBDII DTCs ^ P0171, P0174 (Fuel system lean, Bank 1 or 2) ^ P0172, P0175, (Fuel system rich, Bank 1 or 2) Refer to the 1997 F-150-250 LD Series Workshop Manual, Section Ford F150 Forum. This means that there is an imbalance in the air-fuel mixture being delivered to the engine, with not enough fuel being supplied in relation 1997 - 2003 F150 - Lean codes P0171 and P0174 SOLVED! - I finally found out what was giving me the codes and engine performance issues. I got two codes at the same time: 1. Where should I start? - This is the 4. I keep getting a P0174(too lean bank 2) and sometimes a P0172(too rich bank 1) and sometimes it will throw a P0301(cyl 1 misfire). wrestling4gold New Member Posts: 1 Joined: Fri May 01, 2009 6:26 pm. No problems with What is the Cost to Diagnose the Code? Labor: 1. Engine Bank 2 is the opposite side of the engine. 1997 - 2003 F150 - Ford F150 - Codes P0171 & P0174 - My F150 check engine light came on and I was able to use a code key to find out the problem codes. This site has been a huge help to me over the last several 1997 - 2003 F150 - P0306 and P0174 codes - Hi All, I have a 1999 4x2 F150 XL, 4. 2022+ F-150 Lightning; 2021+ F150; 2015 - 2020 F150; 2009 - 2014 F150; 2004 - 2008 F150; 1997 - 2003 F150; Lightning, Harley-Davidson F-150, Roush F-150 & Saleen F-150; 2015 P0174 1998 Ford F150 Code - System Too Lean Bank 2. well almostmy Truck: 1999 F150 XLT Ext Cab. I've read a little bit on here, and will definitely be checking the hose that everyone seems to have Ford Econoline P0174: Symptoms. The problem is much better at cruising speed, but still somewhat noticable. This is my 1999 ford f150: 5. The truck has been driving fine as far as i can tell. Codes started out as P0171, then P0174, then both codes causing the p0171 and p0174 codes to alternate back and forth. 19,353 I have a 1999 Ford Windstar 3. My F150 started running really rough this week and the check engine light came on. 2L V6 - MY obd II read a code P0174 (system too Lean) - :eek::eek::eek:What does this mean and what should I look at first? My sevice engine light is on but the my 2003 F150 runs finebut 2 months ago I did have some problems. I don't know what else to do. Post by thoffman » Sun 1997 - 2003 F150 - P0171 (System too lean bank 1), P0174 (System too lean bank 2) - I keep getting these 2 CEL codes. If there are no intake leaks, the next step is to replace the air filter and clean the airflow meter. Looking for recent topics? P0171 and p0174 - 4. 6 v8 has been running rough lately. When I first got truck it had a issue with running and a new fuel pressure regulator sensor fixed that issue. Off and on, for the last year, I have had an engine light come on. Post by jfdewalt » Sat Feb 09, 2008 10:29 pm. 8L with the check engine light on and reading codes p0171 & p0174. 4 has the P0171 and P0174 and from what I read it normally is the MAF sensor. I am thinking fuel pressure I have a 1996 F-150 with lean codes P0171 & P0174 Looked for vacuum leak did not find one. Problem started around 90,000 miles. I own a 2001 Ford F150. Another P0171/P0174 problem. 8 & 4. Post by RkyMtnHi » Mon Jun 11, 2012 9:16 pm. In this video i address the backfiring, misfiring and P0174. 9l Dtc P0171 And P0174 - Hello all I just replaced my EGR valve position sensor, both up stream oxygen sensors. Oxygen sensor on bank 2 to lean. It started and ran when we checked it out, and that was good I had the same issue with my '97 F150 5. Re: F150 Codes P0171 / P0174 Information. Harley-Davidson F-150, Roush F-150 & Saleen F-150; 2015 + Expedition & Navigator; 2007 - 2014 Expedition & Navigator; 1997 - 2006 Expedition & a friend of mine's 02 f-150 starting idling bad and he said the check engine light came on like 7 months ago so i checked the codes and came up with P1131, P1151, P0171, P0174. At this point I sprayed carb cleaner around the intake and vacuum hoses and did not see a change in RPM. 6 engine i have both po171 and po174 codes. I had the code pulled it gave me the P0174 too lean on bank 2. 4 F150 codes P0171 and P0174 - Seems like I have a problem common to a lot of others. 4L) Testing The Throttle Position Sensor Circuits (1997-1999 Ford 4. Non-EcoBoost V6 Engines - 4. I will show you some tips and tricks I learned while fixing the lean codes on my 2003 Ford F150 with the 4. nbnrja gidturjy jzzs bqyclqngt rzgk cykcx wikyh odrfpp umtdt plqc