Possible Causes
WARNING: This page is about a different car, the 2004 Acura 3.5RL, 2003 Acura 3.5RL, 2002 Acura 3.5RL, and 2001 Acura 3.5RL. However, it is still accessible from the selected car via links, so may be relevant.
Possible causes of an Engine Coolant Temperature (ECT) Sensor circuit range/performance problem are:
- Deteriorated ECT sensor
- Malfunction in thermostat and engine cooling system