Powertrain
generic / SAE
P2A8A
Alternative Fuel Pump C Compression Stroke Valve Control Circuit High
The control circuit of the compression stroke valve in alternative fuel pump C reports a control circuit high condition. Pump compression stroke cannot be commanded as expected.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberA / 8A
Possible causes
- Control wire shorted to B+ high
- Open valve coil medium
- Connector pins corroded - high contact resistance low
Symptoms
- Check engine light on
- Hard start, no start, or stalling under load
- Power loss especially at high load or rpm
- Possible long cranking time
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 300–1500 €
- Estimated time: 2–6 h
- Component: alt fuel pump c compression stroke valve
- Component: wiring harness
- Component: afcm
- MIL / check engine light
- emissions-relevant
- limp mode possible
Sources
References
sae:J2012