P044A
EGR Sensor C Circuit
EGR Sensor C Circuit: an electrical fault is present in the circuit. Without valid EGR feedback the ECU disables exhaust gas recirculation and may set further EGR codes.
Possible causes
- Sensor failed high
Symptoms
- Check engine light on
- Pinging or knocking under load
- Power loss and hesitation
- Possible rough idle
- Failed emissions inspection (NOx)
Inspection / repair
- Difficulty: medium
- DIY: possible
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