EGR Sensor D Circuit Range or Performance
Same as P2381 but with the signal in plausible voltage range yet not matching the engine model - drift, partial blockage of the reference port, or a slow sensor.
Affected components
- Egr sensor d
Common causes
- High likelihood: Sensor element drifted
- Medium likelihood: Reference port partially blocked by soot
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.