Possible Causes
WARNING: This page is about a different car, the 2003 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
- ECT Sensor Voltage Above 4.6 Volts
- ECT Sensor
- (K2) ECT Signal Circuit Shorted To Battery Voltage
- (K2) ECT Signal Circuit Open
- (K4) Sensor Ground Circuit Open
- PCM