P0272 Diagnostic Trouble Code Discussion for February 2018
Cylinder 4 Balance System Malfunction
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| Help Request | Posted | |
| 2009 Audi A5 Quattro 3.2L Poor Idle Quality, Misfire VIN: WAUDK7809A P0272: Injector 4 Contribution/ Balance fault. After repairs, now bank 2 LT fuel trims will go -25% and STFT will remain around -5 to -10% at idle. At cruise the LTFT's will remain around -10%. After idling for 5-10 minutes cyl#4 will misfire at idle and slightly off idle. At cruise no misfires. Cyl. c... |
February 27, 2018 |
