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Home >> Saturn >> 2002 >> L100 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0116: ECT Sensor Performance >> Diagnostic Aids

Diagnostic Aids

To locate an intermittent problem, use scan tool to monitor ECT and IAT temperature with ignition ON, engine OFF. Wiggling wires will watching for a change in ECT or IAT temperature may locate the area where a short to ground in wiring could lie.

An engine block heater may cause DTC to set.