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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls And Fuel - 2.0L (LTG) - DTC P0010 To DTC P0333 >> Diagnostic Information and Procedures >> DTC P00EA-P00EC: Intake Air Temperature (IAT) Sensor >> Component Testing

Component Testing

Turbocharger Boost/Intake Air Temperature sensor

  1. Ignition OFF, disconnect the harness connector at the B111B Turbocharger Boost/Intake Air Temperature sensor.
    2. NOTE:

    A thermometer can be used to test the sensor off the vehicle.

  2. Test the IAT Sensor 3 by varying the sensor temperature while monitoring the sensor resistance. Compare the readings with the Temperature Versus Resistance - Intake Air Temperature Sensor (Delco) table for Delco sensors. The resistance values should be in range of the table values.
    • If not within the specified range. 

      Replace the B111B Turbocharger Boost/Intake Air Temperature sensor.

    • If within the specified range. 
  3. All OK
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