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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1173 (Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid)) >> DTC Diagnosis >> DTC P0127: Intake Air Temperature (IAT) Too High

DTC P0127: Intake Air Temperature (IAT) Too High

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DTC P0127: INTAKE AIR TEMPERATURE (IAT) TOO HIGH

Description:  Indicates the IAT2 sensor has detected a concern in the charge air cooler (CAC) system.
Possible Causes: 
  • Blockage of heat exchangers
  • Low fluid level
  • Fluid leakage
  • CAC pump or relay failure
  • Crossed CAC coolant lines
Diagnostic Aids:  Monitor the IAT2 PID. A typical IAT2 temperature should be greater than the IAT1 temperature.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST DU .
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