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Home >> Chevrolet >> 2013 >> Sonic RS, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Controls/Fuel - 1.8L (LUW, LWE) - DTC P0010 To DTC P0442) >> Diagnostic Information and Procedures >> DTC P0128 (LUW) >> Component Testing

Component Testing

WARNING: This page is about a different variant/trim than selected.

Static Test

  1. Ignition OFF, disconnect the harness connector at the B34A Engine Coolant Temperature Sensor.
    NOTE:

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

  2. Test the B34A Engine Coolant Temperature Sensor by varying the sensor temperature while monitoring the sensor resistance. Compare the readings with the Temperature Versus Resistance (ECT) table and verify that the resistance is within 5% of the specification.
    • If not within the specified range, replace the B34 Engine Coolant Temperature Sensor.
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