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Home >> Buick >> 2000 >> Century Custom >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0116: Engine Coolant Temperature Sensor Circuit Performance >> Test Description

Test Description

WARNING: This page is about a different car, the 2003 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step number in the diagnostic procedures.

  1. 3

    This step tests for excessive resistance in ECT sensor circuit.

  2. 4

    This step tests for excessive resistance in IAT sensor circuit.

  3. 5

    This step tests for a skewed sensor through the range of temperatures affecting this DTC.
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