Powertrain
generic / SAE
P2A4C
Alternative Fuel Temperature Sensor Range/Performance
The alternative fuel temperature signal does not match plausibility checks against ambient and fuel-rail temperatures. Sensor drift.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberA / 4C
Possible causes
- Sensor characteristic drifted high
- Sensor mounting displaced from fluid path medium
- Sensor element aged beyond calibration window low
Inspection / repair
- Difficulty: easy
- DIY: possible
- Estimated cost: 50–250 €
- Estimated time: 0.3–1.5 h
- Component: alt fuel temperature sensor
- Component: wiring harness
- Component: afcm
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012