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P0174 Diagnostic Trouble Code Discussion for February 2010

Fuel System Lean (Bank 2)


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Trouble Ticket Help Requests for DTC P0174
Help Request Posted
2005 Ford Escape Limited 3.0L MIL Lamp on VIN: 1FMCU04115
P0174: testing and results. ... auction. It appears that the engine has been replaced possibly with a used engine but this vehicle is very clean. Check engine light comes on and sets lean codes p0171 and p0174. Vehicle runs smooth and no idle issues but the long term fuel trims will both...
February 03, 2010
2007 Ford F-150 XLT 5.4L MIL Lamp on VIN: 1FTXS21547
P0174: bank 2 lean. This vehicle presented with a list of codes. #6 coil was replaced to correct the misfire. Attempted to unstick the solenoid for b2 cam by pulsing a ground to it with no luck. I removed the valve cover and found thick heavy sludge. I removed the sludge as well ...
February 04, 2010
2004 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 2GCEC19TX2
P0174: Fuel Trim System Lean (Bank 2). ... next day light on and code p0420 is on. I drove it for about 20 minutes and rechecked and found p0430 in code. this truck has a slight stumble at idle so I think it is the maf sensor. Back pressure test normal on cats did a crank test on the smog tester an...
February 10, 2010
2004 Ford F-150 Lariat 5.4L Misfire, MIL Lamp on VIN: 1FTP14524K
P0174: bank 2 system lean. ... WILL RISE ON BOTH BANKS WHILE DRIVING UNDER HEAVY LOAD. BOTH O2 SENSOR WILL GO UP TO .89V AND FLAT LINE THERE AND YET THE FUEL TRIM I HAVE SEEN GO OVER 20% ON BOTH BANKS. THE F/T IS PERFECT @ IDLE SO I DON'T SUSPECT A VACUUM LEAK. i SUSPECTED AND REPLACED ...
February 11, 2010
2003 Ford Crown Victoria Police Interceptor 4.6L MIL Lamp on VIN: 2FAFP71W13
P0174: lean exhaust bank 2. ... car repeatedly sets code p0174 for bank 2 lean exhaust.LTFT for bank 2 is 21%, bank 1 is 2%. Fuel pressure is 32psi at idle, and 90psi with the fuel pump module bypassed. The intake gaskets were replaced and a smoke tester was used to check for leaks. The ...
February 16, 2010
1999 GMC K1500 Suburban 5.7L MIL Lamp on VIN: 1GKFK16ROX
P0174: Fuel Trim System Lean (Bank 2). hello all, have a real problem 5.7 here. i have read through all the postings, followed all tests and am still stumped. just did leaking lower intake gaskets on this one, on test drive found it to be very low on power. replaced plugged fuel filter and fuel pum...
February 18, 2010
2003 GMC Yukon Denali 6.0L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GKEK63U43
P0174: Fuel Trim System Lean (Bank 2). this denali is killing us. after a simple tune up and mass air flow sensor replacment and replacing the intake manifold assembly (burned through from shorted knock sensor harnness) causing vacuum leak. we replaced both knock sensors amd harness from gm.we did ...
February 18, 2010
2006 GMC Savana 2500 4.8L MIL Lamp on VIN: 1GTHG39V86
P0174: Fuel Trim System Lean (Bank 2). ... idle when cold and mil light on. When I got the vehicle it was hot so I did not duplicate the cold start complaint. Scanned van found P0171 and P0174, long term fuel trim stuck at positive 24% and short term moving around in the positive single digits. Smo...
February 22, 2010
2000 Chevrolet Express 2500 LS 5.7L Excessive Emissions, Poor Idle Quality, Misfire VIN: 1GCGG25R1Y
P0174: Fuel Trim System Lean (Bank 2). ... running on 4 or 5 cylider, stored code were p0102, p0141 , p0171 . p0174 , p1351 , reman m.a.f , new ic installed but no improvment! on datastream show cylinder #2 and # 7 missing. fuel pressure better than 60 psi and comression ...
February 24, 2010
2003 GMC Yukon Denali 6.0L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GKEK63U43
P0174: Fuel Trim System Lean (Bank 2). this denali is killing us. after a simple tune up and mass air flow sensor replacment and replacing the intake manifold assembly (burned through from shorted knock sensor harnness) causing vacuum leak. we replaced both knock sensors amd harness from gm.we did ...
February 24, 2010
2001 BMW 325i 2.5L Hesitation, Stall, Misfire VIN: WBAAN37401
P0174: sys lean b2. ... p0171 sys lean b1. Also p1345 p1343 p1342 which my scan had no definition. I found a vacum leak, crank breather hose at dipstick tube was broken, and replaced. Also replaced spark plugs...
February 27, 2010
2005 Ford Escape Limited 3.0L MIL Lamp on VIN: 1FMCU04115
P0174: testing and results. ... auction. It appears that the engine has been replaced possibly with a used engine but this vehicle is very clean. Check engine light comes on and sets lean codes p0171 and p0174. Vehicle runs smooth and no idle issues but the long term fuel trims will both...
February 03, 2010
2007 Ford F-150 XLT 5.4L MIL Lamp on VIN: 1FTXS21547
P0174: bank 2 lean. This vehicle presented with a list of codes. #6 coil was replaced to correct the misfire. Attempted to unstick the solenoid for b2 cam by pulsing a ground to it with no luck. I removed the valve cover and found thick heavy sludge. I removed the sludge as well ...
February 04, 2010
2004 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 2GCEC19TX2
P0174: Fuel Trim System Lean (Bank 2). ... next day light on and code p0420 is on. I drove it for about 20 minutes and rechecked and found p0430 in code. this truck has a slight stumble at idle so I think it is the maf sensor. Back pressure test normal on cats did a crank test on the smog tester an...
February 10, 2010
2004 Ford F-150 Lariat 5.4L Misfire, MIL Lamp on VIN: 1FTP14524K
P0174: bank 2 system lean. ... WILL RISE ON BOTH BANKS WHILE DRIVING UNDER HEAVY LOAD. BOTH O2 SENSOR WILL GO UP TO .89V AND FLAT LINE THERE AND YET THE FUEL TRIM I HAVE SEEN GO OVER 20% ON BOTH BANKS. THE F/T IS PERFECT @ IDLE SO I DON'T SUSPECT A VACUUM LEAK. i SUSPECTED AND REPLACED ...
February 11, 2010
2003 Ford Crown Victoria Police Interceptor 4.6L MIL Lamp on VIN: 2FAFP71W13
P0174: lean exhaust bank 2. ... car repeatedly sets code p0174 for bank 2 lean exhaust.LTFT for bank 2 is 21%, bank 1 is 2%. Fuel pressure is 32psi at idle, and 90psi with the fuel pump module bypassed. The intake gaskets were replaced and a smoke tester was used to check for leaks. The ...
February 16, 2010
1999 GMC K1500 Suburban 5.7L MIL Lamp on VIN: 1GKFK16ROX
P0174: Fuel Trim System Lean (Bank 2). hello all, have a real problem 5.7 here. i have read through all the postings, followed all tests and am still stumped. just did leaking lower intake gaskets on this one, on test drive found it to be very low on power. replaced plugged fuel filter and fuel pum...
February 18, 2010
2003 GMC Yukon Denali 6.0L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GKEK63U43
P0174: Fuel Trim System Lean (Bank 2). this denali is killing us. after a simple tune up and mass air flow sensor replacment and replacing the intake manifold assembly (burned through from shorted knock sensor harnness) causing vacuum leak. we replaced both knock sensors amd harness from gm.we did ...
February 18, 2010
2006 GMC Savana 2500 4.8L MIL Lamp on VIN: 1GTHG39V86
P0174: Fuel Trim System Lean (Bank 2). ... idle when cold and mil light on. When I got the vehicle it was hot so I did not duplicate the cold start complaint. Scanned van found P0171 and P0174, long term fuel trim stuck at positive 24% and short term moving around in the positive single digits. Smo...
February 22, 2010
2000 Chevrolet Express 2500 LS 5.7L Excessive Emissions, Poor Idle Quality, Misfire VIN: 1GCGG25R1Y
P0174: Fuel Trim System Lean (Bank 2). ... running on 4 or 5 cylider, stored code were p0102, p0141 , p0171 . p0174 , p1351 , reman m.a.f , new ic installed but no improvment! on datastream show cylinder #2 and # 7 missing. fuel pressure better than 60 psi and comression ...
February 24, 2010
2003 GMC Yukon Denali 6.0L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GKEK63U43
P0174: Fuel Trim System Lean (Bank 2). this denali is killing us. after a simple tune up and mass air flow sensor replacment and replacing the intake manifold assembly (burned through from shorted knock sensor harnness) causing vacuum leak. we replaced both knock sensors amd harness from gm.we did ...
February 24, 2010
2001 BMW 325i 2.5L Hesitation, Stall, Misfire VIN: WBAAN37401
P0174: sys lean b2. ... p0171 sys lean b1. Also p1345 p1343 p1342 which my scan had no definition. I found a vacum leak, crank breather hose at dipstick tube was broken, and replaced. Also replaced spark plugs...
February 27, 2010