Powertrain
generic / SAE
P2025
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.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number– / 25
Possible causes
- Sensor drift over service life high
- Sensor element aged beyond calibration window low
- Sensor element contaminated by oil, soot or coolant low
Symptoms
- Check engine light on
- Possible smell of fuel near tank or engine bay
- Failed emissions inspection
- Loose-cap warning may appear
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 40–350 €
- Estimated time: 0.5–2 h
- Component: evap fuel vapor temp sensor
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012