EVAP Fuel Vapor Temperature Sensor Performance
The EVAP fuel-vapor temperature sensor reading is plausible but does not match expected behaviour over time or temperature — slow response, incorrect offset, or stuck reading.
Affected components
- Evap fuel vapor temp sensor
Common causes
- High likelihood: Sensor drift over service life
- Low likelihood: Sensor element aged beyond calibration window
- Low likelihood: Sensor element contaminated by oil, soot or coolant
Possible symptoms
- Check engine light on
- Possible smell of fuel near tank or engine bay
- Failed emissions inspection
- Loose-cap warning may appear
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.