Powertrain
generic / SAE
P2A9F
Alternative Fuel Return Line Valve Control Circuit Range/Performance
The control circuit of the alternative fuel return line valve reports a control circuit range/performance condition. Excess fuel return to the tank cannot be commanded as expected.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberA / 9F
Possible causes
- Valve responds slower than expected high
- High-resistance contact in connector medium
- Sensor element aged beyond calibration window low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 180–800 €
- Estimated time: 1–4 h
- Component: alt fuel return line valve
- Component: wiring harness
- Component: afcm
- MIL / check engine light
- emissions-relevant
- limp mode possible
Sources
References
sae:J2012