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P0172 Diagnostic Trouble Code Discussion for January 2011

Fuel System Rich (Bank 1)


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Trouble Ticket Help Requests for DTC P0172
Help Request Posted
2007 GMC Yukon SLT 5.3L MIL Lamp on VIN: 1GKFK13027
P0172: Fuel System Rich (Bank 1). ... customer complains of the MIL lamp and stabilitrac service light coming on and setting two rich codes P0172 & P0175. We have replaced bank two sensor two, tested fuel pressure 55-60 KOEO, 02 sensors working ok,reflashed ECM ...
January 03, 2011
2002 Ford Explorer XLT 4.0L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: 1FMZU73K92
P0172: System rich bank 1 - pending. 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
2007 Chevrolet Cobalt SS 2.0L MIL Lamp on VIN: 1G1AP18P07
P0172: Fuel System Rich. ... (p0172) weeks ago and we found a tsb about its high fuel trim. Since then we have done two fuel injection cleanings and pretty much ruled out any injector sticking problems. The light has since returned and we can't seem to pinpoint what is causing the fue...
January 05, 2011
2007 Chevrolet Cobalt SS 2.0L MIL Lamp on VIN: 1G1AP18P07
P0172: Fuel System Rich. ... (p0172) weeks ago and we found a tsb about its high fuel trim. Since then we have done two fuel injection cleanings and pretty much ruled out any injector sticking problems. The light has since returned and we can't seem to pinpoint what is causing the fue...
January 12, 2011
2008 Chevrolet Uplander 3.9L MIL Lamp on VIN: 1GBDV13W28
P0172: fuel system too rich bank 1. ... Uplander thats making me pull my hair out.This one has an extended crank time and sometimes a no start and the codes P0172 and P1174 keep setting.After it is started first thing in the morning its good all day.The fuel trims are horrible -5 ST and -25 LT.T...
January 14, 2011
2006 Ford E-250 5.4L Excessive Emissions VIN: 1FTNE24L76
P0172: Rich bank one. Help i have van from hell.has codes for running rich b1 and b2.have ltft b2 -20% and ltft b1 -20%. Fuel pressure test good. 45 koeo. 32 koer. Maf seemed ok 7 grams at 630 rpms. Tried a new one anyway same reading. Front o2 sensors are banging away rear 02s aro...
January 22, 2011
2004 Ford E-350 Super Duty 5.4L Hesitation, MIL Lamp on VIN: 1FCKE39L64
P0172: fuel rich bank 1. at 55 mph runs like cat converter is stopped up. transmission doesn't want to shift to 4th or will down shift to 3rd if in 4th. let off accelator it will shift on 1st or 2nd attempt. does not do this everyday. after it shifts it will run as fast as you want. 7...
January 26, 2011
2003 Honda Element EX 2.4L Poor Idle Quality, Stall, MIL Lamp on VIN: 5J6YH27523
P0172: Fuel System Too Rich (Bank 1). This is an intermitant issue. Never happens when i get the car. The check engine light comes and goes the code is always the same. Except the first time i got the car it had missfire codes too. That is when we replace the air filter plugs etc. The car runs wel...
January 26, 2011
2006 Ford E-250 5.4L Excessive Emissions VIN: 1FTNE24L76
P0172: Rich bank one. Help i have van from hell.has codes for running rich b1 and b2.have ltft b2 -20% and ltft b1 -20%. Fuel pressure test good. 45 koeo. 32 koer. Maf seemed ok 7 grams at 630 rpms. Tried a new one anyway same reading. Front o2 sensors are banging away rear 02s aro...
January 27, 2011
2003 Volkswagen Jetta GL 1.8L MIL Lamp on VIN: WVWSE61J73
Hi could use some help from you vw techs this car came in with the codes listed above normally i would think mass air flow sensor but we recently replaced. The readings are 30% load at idle and up to 140% under full load. I have smoke tested the intake for lea...
January 28, 2011
2007 GMC Yukon SLT 5.3L MIL Lamp on VIN: 1GKFK13027
P0172: Fuel System Rich (Bank 1). ... customer complains of the MIL lamp and stabilitrac service light coming on and setting two rich codes P0172 & P0175. We have replaced bank two sensor two, tested fuel pressure 55-60 KOEO, 02 sensors working ok,reflashed ECM ...
January 03, 2011
2002 Ford Explorer XLT 4.0L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: 1FMZU73K92
P0172: System rich bank 1 - pending. 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
2007 Chevrolet Cobalt SS 2.0L MIL Lamp on VIN: 1G1AP18P07
P0172: Fuel System Rich. ... (p0172) weeks ago and we found a tsb about its high fuel trim. Since then we have done two fuel injection cleanings and pretty much ruled out any injector sticking problems. The light has since returned and we can't seem to pinpoint what is causing the fue...
January 05, 2011
2007 Chevrolet Cobalt SS 2.0L MIL Lamp on VIN: 1G1AP18P07
P0172: Fuel System Rich. ... (p0172) weeks ago and we found a tsb about its high fuel trim. Since then we have done two fuel injection cleanings and pretty much ruled out any injector sticking problems. The light has since returned and we can't seem to pinpoint what is causing the fue...
January 12, 2011
2008 Chevrolet Uplander 3.9L MIL Lamp on VIN: 1GBDV13W28
P0172: fuel system too rich bank 1. ... Uplander thats making me pull my hair out.This one has an extended crank time and sometimes a no start and the codes P0172 and P1174 keep setting.After it is started first thing in the morning its good all day.The fuel trims are horrible -5 ST and -25 LT.T...
January 14, 2011
2006 Ford E-250 5.4L Excessive Emissions VIN: 1FTNE24L76
P0172: Rich bank one. Help i have van from hell.has codes for running rich b1 and b2.have ltft b2 -20% and ltft b1 -20%. Fuel pressure test good. 45 koeo. 32 koer. Maf seemed ok 7 grams at 630 rpms. Tried a new one anyway same reading. Front o2 sensors are banging away rear 02s aro...
January 22, 2011
2004 Ford E-350 Super Duty 5.4L Hesitation, MIL Lamp on VIN: 1FCKE39L64
P0172: fuel rich bank 1. at 55 mph runs like cat converter is stopped up. transmission doesn't want to shift to 4th or will down shift to 3rd if in 4th. let off accelator it will shift on 1st or 2nd attempt. does not do this everyday. after it shifts it will run as fast as you want. 7...
January 26, 2011
2003 Honda Element EX 2.4L Poor Idle Quality, Stall, MIL Lamp on VIN: 5J6YH27523
P0172: Fuel System Too Rich (Bank 1). This is an intermitant issue. Never happens when i get the car. The check engine light comes and goes the code is always the same. Except the first time i got the car it had missfire codes too. That is when we replace the air filter plugs etc. The car runs wel...
January 26, 2011
2006 Ford E-250 5.4L Excessive Emissions VIN: 1FTNE24L76
P0172: Rich bank one. Help i have van from hell.has codes for running rich b1 and b2.have ltft b2 -20% and ltft b1 -20%. Fuel pressure test good. 45 koeo. 32 koer. Maf seemed ok 7 grams at 630 rpms. Tried a new one anyway same reading. Front o2 sensors are banging away rear 02s aro...
January 27, 2011
2003 Volkswagen Jetta GL 1.8L MIL Lamp on VIN: WVWSE61J73
Hi could use some help from you vw techs this car came in with the codes listed above normally i would think mass air flow sensor but we recently replaced. The readings are 30% load at idle and up to 140% under full load. I have smoke tested the intake for lea...
January 28, 2011