EGR Temperature Sensor C Circuit Range or Performance
Same as P04CE with the signal in plausible range yet not matching the engine model - typically sensor drift or a slow response after engine warm-up.
Affected components
- Egr temperature sensor c
Common causes
- High likelihood: Sensor element drifted
Possible symptoms
- Check engine light on
- Pinging or knocking under load
- Power loss and hesitation
- Possible rough idle
- Failed emissions inspection (NOx)
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.