FixVault

Typical Malfunction Thresholds

Engine Coolant Temperature Sensor Output Stuck at Low Engine Coolant Temperature: 

TYPICAL MALFUNCTION THRESHOLDS

Variation of engine coolant temperature Less than 3°C (5.4°F)

Engine Coolant Temperature Sensor Output Stuck at High Engine Coolant Temperature: 

DIAGNOSTIC PROCEDURE

Variation of engine coolant temperature 1°C (1.8°F) or less