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P0174 Diagnostic Trouble Code Discussion for January 2011

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2002 Ford Explorer XLT 4.0L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: 1FMZU73K92
P0174: System lean bank 2. vehicle stalls and wants to die mainly when stopping. Have done numerous things to vehicle . Vehicle seems to be running properly - we release vehicle to customer and few weeks later same problems, now customer states problem occurs on hwy as well.
January 04, 2011
2004 Ford F-150 FX4 5.4L No Start, Poor Idle Quality, MIL Lamp on VIN: 1FTPX14594
P0174: Lean bank 2. ... crank time. Got it to act up and watched fuel pressure drop until it died. Had stored code p1233 in it at this time. Checked power and ground at pump and it was ok but pump wouldnt run. Hit pump and it ran. Put pump in and it wouldn't run. No pump noise. C...
January 04, 2011
2003 Ford E-250 5.4L MIL Lamp on VIN: 1FTNE24L63
P0174: Lean bank 2. ... The customer bought this van as is drove off lot and check engine light came on very quick. P0171 and p0174 both sides plus 50% under all conditions, idle going down road, going up hill, going down hill.we smoked intake egr was pouring replaced numbers wen...
January 05, 2011
2004 Ford F-150 FX4 5.4L No Start, Poor Idle Quality, MIL Lamp on VIN: 1FTPX14594
P0174: Lean bank 2. ... crank time. Got it to act up and watched fuel pressure drop until it died. Had stored code p1233 in it at this time. Checked power and ground at pump and it was ok but pump wouldnt run. Hit pump and it ran. Put pump in and it wouldn't run. No pump noise. C...
January 05, 2011
2006 Ford F-250 Super Duty XLT 5.4L MIL Lamp on VIN: 1FTNF21536
P0174: System lean bank 2. Am running out of options. Lean concern anly exists during acceleration. Long fuel trims jump to 19%, and will hold at 10% during highway cruise. As soon as accelerator is released, fuel trims return to normal. Tune up new, many new igntion parts(coils), new t...
January 05, 2011
1999 Jaguar XJ8 4.0L MIL Lamp on VIN: SAJKD6043X
P0174: B bank combustion too lean. ... afternoon to say that his CEL was lit again, and when I scanned it I got the P0171/P0174 codes back along with the other two listed below. I am wondering if the method I used to get air into the still flooded motor after the repa...
January 06, 2011
2005 Ford Escape XLT 3.0L MIL Lamp on VIN: 1FMCU491X5
P0174: Bank 2 lean. ... p0174, cust requested to turn light off. Came back in few days later with the same two codes and a P0106 as well. Checked for vaccuum leaks with 2+2, could not find anything. Freeze frame data on codes are as follows : ECT- 142 farenheit LT Fuel Trim 1- 2...
January 10, 2011
2001 Saturn LW300 3.0L No Start, Poor Idle Quality, Stall, Misfire VIN: 1G8JW82R71
P0174: Fuel Trim System Lean (Bank 2). vehicle came in running poorly went out to get car in am would not start at all unless holding throttle to floor after starting stalls with in 10 seconds and will not restart without holding to floor disconnected 1 3 5 coil no change runs exactly the same fuel...
January 10, 2011
1999 Chevrolet Silverado 1500 LS 5.3L No Start, Poor Idle Quality VIN: 2GCEK19TXX
P0174: Fuel Trim System Lean (Bank 2). When truck sits outside overnight the next morning you go to start it and it fouls out the sparks and won't start,Then after cleaning plugs it runs fine. If you let it sit again it will do the same thing. Injector pulse is in spec. mass air sensor in spec. co...
January 13, 2011
1999 Ford Windstar LX 3.8L Excessive Emissions, Poor Idle Quality, Stall, MIL Lamp on VIN: 2FMZA5145X
P0174: leanb2. This van needs the intake gaskets and pcm reflash for lean, it also needs lower intake as seals at irc are leaking. The confusing part is engine will run fair go into closed loop and ltf wiil be37 stf will be 20, when all of a sudden ltf goes to 0 across the b...
January 17, 2011
1999 Mercury Cougar V6 2.5L MIL Lamp on
P0174: Bank 2 system lean. ... 2.5L came in 6 months ago with MIL on. P0420 cat efficiency B1, P0401 EGR low flow (maybe it was a different code)None the less, customer declined repairs. She came in yesterday wanting her MIL off cause it is emissions time. I pulled codes P0171, p0174 Le...
January 19, 2011
1999 Ford F-350 Super Duty Lariat 6.8L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on
P0174: Exhaust Lean Bank 2. This truck is making me crazy. Customer reported truck cuts out under load. He replaced the fuel filter and fuel pump. He said it ran great for about 1 week then started doing the same thing again. They replaced the fuel filter again thinking it might be dirty...
January 20, 2011
2002 GMC Sonoma SL 4.3L MIL Lamp on VIN: 1GTCS19W02
P0174: Fuel System Lean (Bank 2). Trying to get information, about what running fuel pressure should be and if there has been many common complaints in this area
January 26, 2011
2003 Chevrolet Silverado 1500 LS 5.3L MIL Lamp on VIN: 2GCEK19T13
P0174: Fuel Trim System Lean (Bank 2). codes p0171 & p0174 always come back after drive cycle is complete. truck never has a missfire, poor performance, or bad idle. looked for tsb on this problem & did not find any. we suspect intake leak or poor injector performance but can not nail it do...
January 27, 2011
2001 BMW 740iL 4.4L MIL Lamp on VIN: WBAGH83471
P0174: Lean bank 2. ... this BMW for a while now. It originally came in with a misfire and other maintenance issues. After replacing spark plugs and fuel filter, misfire went away. Car came back months later with the p0171 and p0174. lean on both banks. Performed Fuel system clea...
January 31, 2011
2002 GMC Sonoma SL 4.3L MIL Lamp on VIN: 1GTCS19W02
P0174: Fuel System Lean (Bank 2). Trying to get information, about what running fuel pressure should be and if there has been many common complaints in this area
January 31, 2011
2002 Ford Explorer XLT 4.0L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: 1FMZU73K92
P0174: System lean bank 2. vehicle stalls and wants to die mainly when stopping. Have done numerous things to vehicle . Vehicle seems to be running properly - we release vehicle to customer and few weeks later same problems, now customer states problem occurs on hwy as well.
January 04, 2011
2004 Ford F-150 FX4 5.4L No Start, Poor Idle Quality, MIL Lamp on VIN: 1FTPX14594
P0174: Lean bank 2. ... crank time. Got it to act up and watched fuel pressure drop until it died. Had stored code p1233 in it at this time. Checked power and ground at pump and it was ok but pump wouldnt run. Hit pump and it ran. Put pump in and it wouldn't run. No pump noise. C...
January 04, 2011
2003 Ford E-250 5.4L MIL Lamp on VIN: 1FTNE24L63
P0174: Lean bank 2. ... The customer bought this van as is drove off lot and check engine light came on very quick. P0171 and p0174 both sides plus 50% under all conditions, idle going down road, going up hill, going down hill.we smoked intake egr was pouring replaced numbers wen...
January 05, 2011
2004 Ford F-150 FX4 5.4L No Start, Poor Idle Quality, MIL Lamp on VIN: 1FTPX14594
P0174: Lean bank 2. ... crank time. Got it to act up and watched fuel pressure drop until it died. Had stored code p1233 in it at this time. Checked power and ground at pump and it was ok but pump wouldnt run. Hit pump and it ran. Put pump in and it wouldn't run. No pump noise. C...
January 05, 2011
2006 Ford F-250 Super Duty XLT 5.4L MIL Lamp on VIN: 1FTNF21536
P0174: System lean bank 2. Am running out of options. Lean concern anly exists during acceleration. Long fuel trims jump to 19%, and will hold at 10% during highway cruise. As soon as accelerator is released, fuel trims return to normal. Tune up new, many new igntion parts(coils), new t...
January 05, 2011
1999 Jaguar XJ8 4.0L MIL Lamp on VIN: SAJKD6043X
P0174: B bank combustion too lean. ... afternoon to say that his CEL was lit again, and when I scanned it I got the P0171/P0174 codes back along with the other two listed below. I am wondering if the method I used to get air into the still flooded motor after the repa...
January 06, 2011
2005 Ford Escape XLT 3.0L MIL Lamp on VIN: 1FMCU491X5
P0174: Bank 2 lean. ... p0174, cust requested to turn light off. Came back in few days later with the same two codes and a P0106 as well. Checked for vaccuum leaks with 2+2, could not find anything. Freeze frame data on codes are as follows : ECT- 142 farenheit LT Fuel Trim 1- 2...
January 10, 2011
2001 Saturn LW300 3.0L No Start, Poor Idle Quality, Stall, Misfire VIN: 1G8JW82R71
P0174: Fuel Trim System Lean (Bank 2). vehicle came in running poorly went out to get car in am would not start at all unless holding throttle to floor after starting stalls with in 10 seconds and will not restart without holding to floor disconnected 1 3 5 coil no change runs exactly the same fuel...
January 10, 2011
1999 Chevrolet Silverado 1500 LS 5.3L No Start, Poor Idle Quality VIN: 2GCEK19TXX
P0174: Fuel Trim System Lean (Bank 2). When truck sits outside overnight the next morning you go to start it and it fouls out the sparks and won't start,Then after cleaning plugs it runs fine. If you let it sit again it will do the same thing. Injector pulse is in spec. mass air sensor in spec. co...
January 13, 2011
1999 Ford Windstar LX 3.8L Excessive Emissions, Poor Idle Quality, Stall, MIL Lamp on VIN: 2FMZA5145X
P0174: leanb2. This van needs the intake gaskets and pcm reflash for lean, it also needs lower intake as seals at irc are leaking. The confusing part is engine will run fair go into closed loop and ltf wiil be37 stf will be 20, when all of a sudden ltf goes to 0 across the b...
January 17, 2011
1999 Mercury Cougar V6 2.5L MIL Lamp on
P0174: Bank 2 system lean. ... 2.5L came in 6 months ago with MIL on. P0420 cat efficiency B1, P0401 EGR low flow (maybe it was a different code)None the less, customer declined repairs. She came in yesterday wanting her MIL off cause it is emissions time. I pulled codes P0171, p0174 Le...
January 19, 2011
1999 Ford F-350 Super Duty Lariat 6.8L Hesitation, Cuts out, Stall, Misfire, MIL Lamp on
P0174: Exhaust Lean Bank 2. This truck is making me crazy. Customer reported truck cuts out under load. He replaced the fuel filter and fuel pump. He said it ran great for about 1 week then started doing the same thing again. They replaced the fuel filter again thinking it might be dirty...
January 20, 2011
2002 GMC Sonoma SL 4.3L MIL Lamp on VIN: 1GTCS19W02
P0174: Fuel System Lean (Bank 2). Trying to get information, about what running fuel pressure should be and if there has been many common complaints in this area
January 26, 2011
2003 Chevrolet Silverado 1500 LS 5.3L MIL Lamp on VIN: 2GCEK19T13
P0174: Fuel Trim System Lean (Bank 2). codes p0171 & p0174 always come back after drive cycle is complete. truck never has a missfire, poor performance, or bad idle. looked for tsb on this problem & did not find any. we suspect intake leak or poor injector performance but can not nail it do...
January 27, 2011
2001 BMW 740iL 4.4L MIL Lamp on VIN: WBAGH83471
P0174: Lean bank 2. ... this BMW for a while now. It originally came in with a misfire and other maintenance issues. After replacing spark plugs and fuel filter, misfire went away. Car came back months later with the p0171 and p0174. lean on both banks. Performed Fuel system clea...
January 31, 2011
2002 GMC Sonoma SL 4.3L MIL Lamp on VIN: 1GTCS19W02
P0174: Fuel System Lean (Bank 2). Trying to get information, about what running fuel pressure should be and if there has been many common complaints in this area
January 31, 2011