Technical Definition:

Engine Coolant Temperature (ECT) (Sensor 1 – 2) Correlation

Technical Description:

Possible Causes:

Possible Symptoms:

Engine Coolant Temperature Sensor 1/2 Correlation

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Low engine coolant level
– Faulty Engine Coolant Temperature (ECT) sensor
– Faulty engine coolant thermostat
– Engine Coolant Temperature (ECT) sensor harness is open or shorted
– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection

Specific Makes: