Civic L4-1.8L CNG (2008)
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
ECT Sensor 1 Replacement
ECT Sensor 1 Replacement
1. Drain the engine coolant.
2. Disconnect the ECT sensor 1 2P connector (A).
3. Remove ECT sensor 1 (B).
4. Install the parts in the reverse order of removal with a new O-ring (C), then refill the radiator with engine coolant.