Possible causes – Check other service codes first When is the code detected? The Engine Control Module (ECM) has detected a fault when comparing the Ambient Air, Coolant Temp, and Intake Air temperatures
Possible causes – Check other service codes first When is the code detected? The Engine Control Module (ECM) has detected a fault when comparing the Ambient Air, Coolant Temp, and Intake Air temperatures
Possible causes – Check other service codes first When is the code detected? The Engine Control Module (ECM) has detected a fault when comparing the Ambient Air, Coolant Temp, and Intake Air temperatures
Possible causes – Check other service codes first When is the code detected? The Engine Control Module (ECM) has detected a fault when comparing the Ambient Air, Coolant Temp, and Intake Air temperatures
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor for HST– Low engine coolant level– Engine Coolant Temperature (ECT) sensor for HST harness is open or shorted– Engine Coolant Temperature (ECT) sensor for HST electrical circuit poor connection– Faulty engine
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Tech notes For 1996
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor for HST– Low engine coolant level– Engine Coolant Temperature (ECT) sensor for HST harness is open or shorted– Engine Coolant Temperature (ECT) sensor for HST electrical circuit poor connection– Faulty engine
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor for HST– Low engine coolant level– Engine Coolant Temperature (ECT) sensor for HST harness is open or shorted– Engine Coolant Temperature (ECT) sensor for HST electrical circuit poor connection– Faulty engine
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light
Possible causes – Faulty Engine Coolant Temperature (ECT) sensor– Low engine coolant level– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection– Faulty engine coolant thermostat Symptoms – Engine Light
Possible causes – Faulty HO2 Sensor Bank 1 Sensor 1– HO2 Sensor Bank 1 Sensor 1 harness is open or shorted– HO2 Sensor Bank 1 Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon