Fuel Temperature Sensor A Circuit Range / Performance
The fuel temperature sensor A signal is within electrical limits but inconsistent with plausibility checks (e.g. doesn't change with engine warmup, disagrees with ambient temperature).
Affected components
- Fuel temperature sensor a
Common causes
- High likelihood: Sensor reading drifted
- Medium likelihood: Sensor stuck at fixed value
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.