Operation CHARM: Car repair manuals for everyone.

Gauge Indicates Hot When Engine Is Cold


This condition is generally caused by a shorted or grounded circuit.
1. Remove sensor lead at sensor unit, gauge should move to ``Cold'' position, if not check unit for a external short. If no external short is found replace sensor.
2. If gauge stays ``Hot'' check for a short circuit in gauge to sensor wiring, if satisfactory replace cluster.