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P1188 Diagnostic Trouble Code Discussion for February 2011

Fuel Tank Temperature Sensor Circuit High Voltage

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Trouble Ticket Help Requests for DTC P1188
Help Request Posted
2001 BMW X5 3.0i 3.0L MIL Lamp on VIN: WBAFA53531
P1188: fuel trim bank 1 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