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.
- O2 Sensor Heater Operation
- O2 Heater Element
- O2 Heater Ground Circuit Open
- O2 Sensor
- O2 Heater Control Shorted To Voltage
- O2 Heater Control Circuit Open
- PCM