Diagnostic Trouble Code: B1257
Diagnostic Trouble Code Name: Air temperature external sensor circuit short to ground
Vehicle Make: Ford
Vehicle Model: Falcon (FG)
Diagnostic Code Entered By: ZerOne
Diagnostic Code Entered On: Wed Oct 06, 2010 11:00 pm
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Diagnostic Trouble Code Description:
HEGO22 heater circuit failure (O2S22) Possible Mechanical Faults Low battery voltage Possible Sensor Faults Contaminated or damaged sensor Possible Wiring Faults Wiring open circuit or short circuit Possible Module Faults Defective PCM
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