P1128 Diagnostic Trouble Code Discussion for February 2011
Closed Loop Fueling Not Achieved - Bank 1
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| Help Request | Posted | |
| 2005 Audi A4 Quattro 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: WAULC68E45 P1128: Fuel trim B1 lean. Howdy techs, this one will just not go away. About 6 weeks ago, put a used engine in this car(w/new turbo). Had lost oil pressure, had numerous codes: knock sensor controls, misfires, cam timing. 2 weeks later, intermittant misfire codes came back, had coils r... |
February 17, 2011 |
