P0172 Diagnostic Trouble Code Discussion for March 2008
Fuel System Rich (Bank 1)
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| Help Request | Posted | |
| 2002 Chevrolet Cavalier LS Sport 2.2L Poor Idle Quality, Surge, Stall VIN: 1G1JH12F52 P0172: Fuel System Rich (Bank 1). ... runs very rich at all times. On initial startup cold it will push the O2 voltage above 900mv until it goes into closed loop at which time the fuel trim values go way negative and the O2 starts to respond. It has in the past set the P0172 code but hasn't th... |
March 04, 2008 | |
| 2002 Ford Taurus LX 3.0L No Start, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FAFP55202 P0172: risc cond. car skips all the time checked spark good at plugs fuel pressure ok.tried new coil no change,all sensors appear to be withbnin specmaf baro good.did not notice fuel dropping off key off holds ok.noticed that 02 sensors do not switch all the time and goes in an... |
March 04, 2008 | |
| 1998 Chevrolet K3500 Cheyenne 5.7L Poor Idle Quality, MIL Lamp on VIN: 1GCHK34R6W P0172: Fuel Trim System Rich (Bank 1). Hey there guys, This Chevy came in about a month ago for the same trouble codes. We disassembled the intake and found the fuel injector "spider" assembly leaking you know the usual common problem. We installed an aftermarket assembly,changed the oil an... |
March 05, 2008 | |
| 2002 Chevrolet Cavalier LS Sport 2.2L Poor Idle Quality, Surge, Stall VIN: 1G1JH12F52 P0172: Fuel System Rich (Bank 1). ... runs very rich at all times. On initial startup cold it will push the O2 voltage above 900mv until it goes into closed loop at which time the fuel trim values go way negative and the O2 starts to respond. It has in the past set the P0172 code but hasn't th... |
March 10, 2008 | |
| 1997 Saturn SL2 1.9L MIL Lamp on, PO172 VIN: 1G8ZK5270V P0172: Fuel Trim System Rich (Bank 1). Done everything we can think of. Still running rich, but runs and drives perfectly. Freeze frame info: ST fuel trim: -7.0, LT fuel trim: -21.9, MAP 13.6 hg Rpm 778. Closed loop. Will only set code when foot on brake in drive. Will consistently reset code after... |
March 12, 2008 | |
| 2000 Honda Odyssey LX 3.5L MIL Lamp on VIN: 2HKRL1862Y P0172: Fuel System Too Rich (Bank 1). Van came in with P0172 code (Fuel Metering Too Rich), with no driveability complaints or symptoms other than MIL on. Ran the diagnostic flowchart, which ended with adjusting the valves. The flowchart says that if this doesn't fix the problem, to replace the in... |
March 18, 2008 | |
| 2000 Honda Odyssey LX 3.5L MIL Lamp on VIN: 2HKRL1862Y P0172: Fuel System Too Rich (Bank 1). Van came in with P0172 code (Fuel Metering Too Rich), with no driveability complaints or symptoms other than MIL on. Ran the diagnostic flowchart, which ended with adjusting the valves. The flowchart says that if this doesn't fix the problem, to replace the in... |
March 19, 2008 | |
| 1999 Dodge Ram 1500 Laramie 5.9L No Start, FLOODING VIN: 3B7KF2328X P0172: system rich. hi, help needed and appreciated. vehicle was towed in. customer said all was fine. stopped to open a gate and noticed it ran a little rough, stopped the engine and it never restarted. i did a spark test, good spark. a fuel presssure test,48psi cranking. scanne... |
March 24, 2008 | |
| 2005 Subaru Impreza WRX 2.0L Excessive Emissions, Cuts out, Misfire, MIL Lamp on VIN: JF1GD29625 P0172: Fuel System Too Rich (Bank 1). engine runs very rich under load but allmost normal under very light acceleration and low rpm, engine often at 4000 rpm cuts completely out like the key was turned off then comes back for a second or two but the mill light will come on and flash at time or be ... |
March 25, 2008 | |
| 2000 Ford Explorer Sport 4.0L MIL Lamp on VIN: 1FMYU70X1Y P0172: rich bank1. this one is from a used car dealer we do a lot of work for seems like there always a problem child.anyway this one came in with mil on, runs fine o2 sensors are switching the downstream 02 is staying high when warm 669 fuel trim lt is -25 st is-9 pulse width i... |
March 29, 2008 |
