Engine Error
P0119
Engine Coolant Temperature Sensor 1 Circuit Intermittent
Severity
Medium
Symptoms
Temp gauge drops to zero randomly, cooling fans turn on and off unexpectedly
Common Causes
- Loose ECT sensor connector
- Frayed wiring touching the engine block
- Internally failing ECT sensor
How to Fix
- 1 Secure the ECT plug
- 2 Repair damaged wiring harness
- 3 Replace the ECT sensor
Estimated Repair Cost
USD
$50
–
$200
Wiring repair: $100; Sensor replacement: $50 - $150