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P0174 Diagnostic Trouble Code Discussion for April 2010

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2002 Ford Windstar SE 3.8L Poor Idle Quality, Misfire VIN: 2FMZA51402
P0174: Sys too lean B2. We've either got a weird one or we're overlooking something. My tech and I have this 02 windstar here, originally had an EGR no flow code and sys too lean both banks. Fixed the EGR w/ a DPFE, no problem. It will miss a little cold, and we checked the most comm...
April 02, 2010
2008 Land Rover Range Rover Sport Supercharged 4.2L MIL Lamp on VIN: SALSH23438
P0174: system lean-bank 2. ... check engine light comes on and car goes in to limp home. Owner restarts vehicle and engine functions normally. Problem is intermittent. I scanned engine management system using Autologic and found the three codes listed below. Smoking the intake found...
April 06, 2010
2002 Ford Taurus SE 2-Valve 3.0L Hesitation, Misfire VIN: 1FAFP53U92
P0174: Lean bank 2. I have this Code P0174 that keeps returning. i have Replaced oxygen sensor, upper and lower intake gaskets, PCV valve and hoses, oil change complete tune up, check fuel pressure and flow. Not sure where to go next. Any body run into this or have any suggestion...
April 08, 2010
1998 Mercury Mystique LS 2.5L MIL Lamp on VIN: 1MEFM66LXW
P0174: Lean bank 2. This car is eating my lunch! I have been working on it for days with no changes in the long term fuel trims. They are maxed at 25% and hence setting both bank lean codes. You can see below what I have already done. When I originally got the vehicle it had a br...
April 15, 2010
2000 Ford Windstar 3.8L MIL Lamp on VIN: 2FMZA5345Y
P0174: lean code. Car has reoccuring codes p0171 and p0174. We were able to change the fuel trims at the upper and lower manifolds with carb cleaner; since replacement that no longer occurs. After clearing computer memory and dat starts from scratch it may take afew days for th...
April 16, 2010
2001 Mercury Sable LS 3.0L Poor Idle Quality, Stall, MIL Lamp on VIN: 1MEFM55511
P0174: lean bank 2. hello this is my first posting i hope someone can help me with this one.customer brought in this vehicle said it struges to stay running.at first when i started the vehicle the idle went up to 2000 rpm for about 4 seconds and then dropped to undre 500 rpm and ...
April 16, 2010
2005 Ford F-150 FX4 5.4L Misfire, MIL Lamp on VIN: 1FTPX04595
P0174: bank 2 lean. Ok this vehicle cam in with engine noise and a missfire.Upon inspection I found a bad injector on #6 cylinder that had stuck open.replaced injector and removed oil pan for inspection.Had bent #6 rod.removed cylinder head and replaced rod and piston.Now that ve...
April 20, 2010
1998 Mercury Mountaineer 4.0L MIL Lamp on VIN: 4M2ZU54E9W
P0174: System too lean bank 2. ... some help with. Initially the vehicle came in with the check engine light on and P0171 and P0174 stored. MAF was cleaned and upper and lower intake seals were replaced. Also repaired exhaust leak on bank 1 between front pipe and manifold, which appeared to...
April 20, 2010
2001 BMW 330Ci 3.0L Surge, MIL Lamp on VIN: WBABN534X1
P0174: System too lean. Missing something here. Modis european software. Freeze frame codes sets at idle, stft 18.8 % ltft 7.8 % bank i and ii same. Oxygen sensor voltages forward the same. Smoke checked intake, valve cover, breather to crankcase vent valve. Can find no more false ai...
April 21, 2010
2007 Ford Crown Victoria Police Interceptor 4.6L Stall, MIL Lamp on VIN: 2FAFP71W07
P0174: . Hello fellow ford techs, have this 07 police interceptor with lean on both bank codes. Fuel pressure ok, haven't found any vacuum leaks. Long term trims are 25 right and left. Replaced mass airflow, which usually takes care of this issue. No change in readings...
April 21, 2010
2001 Honda Passport LX 3.2L Poor Idle Quality, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 456CK58W11
P0174: Fuel System Too Lean (Bank 2). ... with lean rich codes.p0172, p0174 p0175. i spayed around intake and i found a leaky intake and replce gaskets along with spark plugs. Then it was sent out, but two days later the car came back with the same problem flashing ...
April 27, 2010
2004 Ford E-250 5.4L Misfire VIN: 1FTSS34L34
P0174: lean bank 2. comp on affected cylinders is 165 and 160 coils and plugs were replaced with new no vacum leaks detected injecters are firing checked with noid lite and solarity scope vacum is stable at 20 in
April 28, 2010
2001 Honda Passport LX 3.2L Poor Idle Quality, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 456CK58W11
P0174: Fuel System Too Lean (Bank 2). ... with lean rich codes.p0172, p0174 p0175. i spayed around intake and i found a leaky intake and replce gaskets along with spark plugs. Then it was sent out, but two days later the car came back with the same problem flashing ...
April 28, 2010
2002 Ford Windstar SE 3.8L Poor Idle Quality, Misfire VIN: 2FMZA51402
P0174: Sys too lean B2. We've either got a weird one or we're overlooking something. My tech and I have this 02 windstar here, originally had an EGR no flow code and sys too lean both banks. Fixed the EGR w/ a DPFE, no problem. It will miss a little cold, and we checked the most comm...
April 02, 2010
2008 Land Rover Range Rover Sport Supercharged 4.2L MIL Lamp on VIN: SALSH23438
P0174: system lean-bank 2. ... check engine light comes on and car goes in to limp home. Owner restarts vehicle and engine functions normally. Problem is intermittent. I scanned engine management system using Autologic and found the three codes listed below. Smoking the intake found...
April 06, 2010
2002 Ford Taurus SE 2-Valve 3.0L Hesitation, Misfire VIN: 1FAFP53U92
P0174: Lean bank 2. I have this Code P0174 that keeps returning. i have Replaced oxygen sensor, upper and lower intake gaskets, PCV valve and hoses, oil change complete tune up, check fuel pressure and flow. Not sure where to go next. Any body run into this or have any suggestion...
April 08, 2010
1998 Mercury Mystique LS 2.5L MIL Lamp on VIN: 1MEFM66LXW
P0174: Lean bank 2. This car is eating my lunch! I have been working on it for days with no changes in the long term fuel trims. They are maxed at 25% and hence setting both bank lean codes. You can see below what I have already done. When I originally got the vehicle it had a br...
April 15, 2010
2000 Ford Windstar 3.8L MIL Lamp on VIN: 2FMZA5345Y
P0174: lean code. Car has reoccuring codes p0171 and p0174. We were able to change the fuel trims at the upper and lower manifolds with carb cleaner; since replacement that no longer occurs. After clearing computer memory and dat starts from scratch it may take afew days for th...
April 16, 2010
2001 Mercury Sable LS 3.0L Poor Idle Quality, Stall, MIL Lamp on VIN: 1MEFM55511
P0174: lean bank 2. hello this is my first posting i hope someone can help me with this one.customer brought in this vehicle said it struges to stay running.at first when i started the vehicle the idle went up to 2000 rpm for about 4 seconds and then dropped to undre 500 rpm and ...
April 16, 2010
2005 Ford F-150 FX4 5.4L Misfire, MIL Lamp on VIN: 1FTPX04595
P0174: bank 2 lean. Ok this vehicle cam in with engine noise and a missfire.Upon inspection I found a bad injector on #6 cylinder that had stuck open.replaced injector and removed oil pan for inspection.Had bent #6 rod.removed cylinder head and replaced rod and piston.Now that ve...
April 20, 2010
1998 Mercury Mountaineer 4.0L MIL Lamp on VIN: 4M2ZU54E9W
P0174: System too lean bank 2. ... some help with. Initially the vehicle came in with the check engine light on and P0171 and P0174 stored. MAF was cleaned and upper and lower intake seals were replaced. Also repaired exhaust leak on bank 1 between front pipe and manifold, which appeared to...
April 20, 2010
2001 BMW 330Ci 3.0L Surge, MIL Lamp on VIN: WBABN534X1
P0174: System too lean. Missing something here. Modis european software. Freeze frame codes sets at idle, stft 18.8 % ltft 7.8 % bank i and ii same. Oxygen sensor voltages forward the same. Smoke checked intake, valve cover, breather to crankcase vent valve. Can find no more false ai...
April 21, 2010
2007 Ford Crown Victoria Police Interceptor 4.6L Stall, MIL Lamp on VIN: 2FAFP71W07
P0174: . Hello fellow ford techs, have this 07 police interceptor with lean on both bank codes. Fuel pressure ok, haven't found any vacuum leaks. Long term trims are 25 right and left. Replaced mass airflow, which usually takes care of this issue. No change in readings...
April 21, 2010
2001 Honda Passport LX 3.2L Poor Idle Quality, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 456CK58W11
P0174: Fuel System Too Lean (Bank 2). ... with lean rich codes.p0172, p0174 p0175. i spayed around intake and i found a leaky intake and replce gaskets along with spark plugs. Then it was sent out, but two days later the car came back with the same problem flashing ...
April 27, 2010
2004 Ford E-250 5.4L Misfire VIN: 1FTSS34L34
P0174: lean bank 2. comp on affected cylinders is 165 and 160 coils and plugs were replaced with new no vacum leaks detected injecters are firing checked with noid lite and solarity scope vacum is stable at 20 in
April 28, 2010
2001 Honda Passport LX 3.2L Poor Idle Quality, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 456CK58W11
P0174: Fuel System Too Lean (Bank 2). ... with lean rich codes.p0172, p0174 p0175. i spayed around intake and i found a leaky intake and replce gaskets along with spark plugs. Then it was sent out, but two days later the car came back with the same problem flashing ...
April 28, 2010