Powertrain
generic / SAE
P2A4F
Alternative Fuel Temperature Sensor Circuit Intermittent/Erratic
The alternative fuel temperature sensor signal drops out or jumps intermittently. Loose connector or noisy ground.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberA / 4F
Possible causes
- Sensor connector not seated high
- Noisy ground reference medium
- Connector with intermittent contact under vibration 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