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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls/Fuel - 2.4L - DTC P0010 To DTC P0411 >> Diagnostic Information and Procedures >> DTC P0119 >> Component Testing

Component Testing

  1. Ignition OFF, disconnect the harness connector at the B34 engine coolant temperature sensor.
    2. NOTE:

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

  2. Test the ECT sensor by varying the sensor temperature while monitoring the sensor resistance. Compare the readings with the Temperature Versus Resistance table and verify that the resistance is within 5 percent of the specification.
    • If not within the specified range, replace the B34 engine coolant temperature sensor.
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