P1129 Diagnostic Trouble Code Discussion for July 2011
Closed Loop Fueling Not Achieved (Bank 2)
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| Help Request | Posted | |
| 1999 Volkswagen Passat GLS 2.8L MIL Lamp on VIN: WVWMD63B2X P1129: Bank 1 fuel trim too rich. VW Gurus, I need your help. We have plugged every crank case leak that this car has. The car is over fueling for some reason. If you clear the codes, The short term fuel trim is -23 at idle and fluctuates on the road. The long term fuel trim will creep up to a... |
July 11, 2011 |
