P0172 Diagnostic Trouble Code Discussion for November 2010
Fuel System Rich (Bank 1)
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| Help Request | Posted | |
| 2009 Chevrolet Express 2500 6.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCGG25U84 P0172: Fuel trim system rich bank1. This problem occurs intermittentently at idle. Seems worse after it gets hot while driving and returns to idle at stops. Its missfiring no.1 cylinder bad when this happens. No.5 missfire counter is around 6 and no.7 missfire counts are around 7. When this happ... |
November 09, 2010 | |
| 2005 Volvo S40 i 2.4L Hesitation, Stall, Misfire VIN: YV1MS39005 P0172: Bank 1 syst too rich. ... Customer states MIL was on for a while, but after car sat for a week it started to idle rough.I do not see volvos often and only have generic diag scan tool. DTCs p0011 and p0172b. On global OBD codes read 250A and 640F. Sorry f... |
November 17, 2010 |
