P0116
Test 1 - 3:
SYMPTOM
P0116-ENGINE COOLANT TEMPERATURE (ECT) SENSOR RATIONALITY
WHEN MONITORED
While the engine is running.
SET CONDITION
The ECM does not read a change in value from the sensor over time.
POSSIBLE CAUSES
- Low coolant level
- Coolant temperature sensor
- Thermostat
- Intermittent condition