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Home >> GMC >> 2018 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 1.5L (LYX) - Diagnostic Information And Procedures (P0010 - P034B)) >> Diagnostic Information And Procedures >> DTC P0117, P0118, Or P0119: Engine Coolant Temperature Sensor >> Diagnostic Aids

Diagnostic Aids

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After starting the engine, the ECT sensor parameter value should rise steadily and then stabilize after the thermostat opens.