P1189 Diagnostic Trouble Code Discussion for February 2011
Engine Oil Pressure Switch Circuit Malfunction
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| Help Request | Posted | |
| 2001 BMW X5 3.0i 3.0L MIL Lamp on VIN: WBAFA53531 P1189: fuel trim bank 2 permissable range exceeded. Vehicle passes emission test, but fails due to MIL. Tested for vacuum leaks, no leaks exist. Air flow meter measures normally. Values for fuel trim appear to be within range, but codes exist saying they're out of range. When codes are reset, come back after a ... |
February 17, 2011 |
