Symptoms of P011A OBD II Trouble Code
- Excessive rich or lean exhaust
- Rough engine idle (especially at cold start up)
- Diminished fuel efficiency
- Decreased engine performance
Common Causes of P011A OBD II Trouble Code
- Defective ECT sensor
- Open or shorted ECT sensor wiring or connector
- Low engine coolant condition
- Bad thermostat
- Faulty water pump
- Air pocket in engine cooling system
- PCM or PCM programming error
Severity of P011A OBD II Trouble Code
Since engine drivability, electronic cooling fan operation, and/or temperature gauge accuracy may be effected by the conditions which contribute to a code P011A being stored, it should be considered severe.