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P0172 Diagnostic Trouble Code Discussion for October 2008

Fuel System Rich (Bank 1)

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Trouble Ticket Help Requests for DTC P0172
Help Request Posted
1997 Mercury Cougar XR-7 3.8L MIL Lamp on VIN: 1MELM66247
P0172: bank2 to rich. i guy rough one old lady roll about 8000km a year with hes car i check fuel pressure ok 35 to 40 smoked machine in too intake nothing no vaccum leak no cracked hoses clean mass air flow run the car for2 days check came back po172 po175 egr check ok decarbonise...
October 02, 2008
2003 Acura MDX Touring 3.5L Stall VIN: 2HNYD18633
P0172: Fuel System Too Lean (Bank 1). Greetings fellow techs. This MDX has an odd symptom,along with some codes. First thing in the morning during the first 5 minutes of warm up the MDX will stall wile in gear when coming to a stop. I checked for vacuum leaks, and found none, except I noted that t...
October 05, 2008
1999 Saturn SC1 1.9L Excessive Emissions, Poor Fuel Economy VIN: 1G8ZF1284X
P0172: Fuel Trim System Rich (Bank 1). car came in ses light on po172/po304 misfire is not all the time stft was around 116 ltft 108 wont change.plugs are black with soot.is running rich. checked coolant temp with raytec is within 3 deg of temp.cleaned throttle plate and reset system(batt disconnec...
October 13, 2008
1999 Ford Mustang GT 4.6L Cuts out, Stall, MIL Lamp on VIN: 1FAFP42X5X
P0172: Bank 1 system too rich. ... intermittant lack of power and stalling at stops. About 6 months ago the car was towed for a no start. Car started for me with no symtoms. Scan test showed lean running codes. I replaced a (80%) plugged fuel filter and cleared codes. Car is now back with P...
October 20, 2008
2005 Volvo S40 i 2.4L MIL Lamp on VIN: YV1MS39005
P0172: bank 1 system too rich. volvo tech, please advice. car come in with check engine light on. found torn oil breather hose, replace hose & erease dtc. car come back in 2 days with same trouble code. monitor fuel trim long & short term. between 0 [...] 4% (seem [...] do next. ple...
October 20, 2008
2004 Chevrolet Epica LS 2.5L Poor Idle Quality, Stall, MIL Lamp on VIN: KL1VB52L64
P0172: system rich b1. vehicle intr. stall at stop harsh shift, runs rough. I have no acess to info on this dealer only, model is not even listed in all data or any of are other resources, I thought I would give this a try sorry about the lack of dio info. Perhaps maybe someone else...
October 23, 2008
2002 Ford E-250 Econoline 5.4L Misfire, MIL Lamp on, NO POWER CAT CLEAN VIN: 1FTNE24L62
P0172: rich bnk2. problem was light to med. missfires on acelaration.with codes.plugs, and related coils were replaced. fuel filter was plugged. after repair due to time, found fuel press.not per. spec.and not holding.press.is going too high[over55-70plus]. have done press. reg...
October 27, 2008
2002 Subaru Impreza WRX 2.0L Excessive Emissions, Poor Idle Quality, Hesitation VIN: JF1GD2964G
P0172: Fuel System Too Rich (Bank 1). the car came in with a bad power lose we found we had no turbo boost, evan when we worked the waste gate by hand, further inspection found the front convertor came apart and damaged the turbo and pluged the waste gate, after repair we rechecked vehicle and fou...
October 27, 2008