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Home >> Ford >> 2009 >> Taurus X SEL, FWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> DTC Diagnosis >> DTC P1112: - Intake Air Temperature (IAT) Circuit Intermittent

DTC P1112: - Intake Air Temperature (IAT) Circuit Intermittent

DTC P1112: - INTAKE AIR TEMPERATURE (IAT) CIRCUIT INTERMITTENT

Description:  Indicates the IAT sensor signal was intermittent.
Possible Causes: 
  • Damaged harness
  • Damaged sensor
  • Damaged harness connector
Diagnostic Aids:  Monitor the IAT on a scan tool. Look for sudden changes in the reading when the harness is wiggled or the sensor is tapped.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All - - GO to Pinpoint Test DA .