Powertrain
generic / SAE
P2A8E
Alternative Fuel Pump A Performance
The AFCM detects that alternative fuel pump A does not produce the expected pressure or flow for the commanded duty. Pump aging, internal leakage, or supply restriction.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberA / 8E
Possible causes
- Pump internal wear reduces output high
- Fuel filter clogged medium
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: 300–2000 €
- Estimated time: 2–8 h
- Component: alt fuel pump a
- Component: alt fuel filter
- MIL / check engine light
- emissions-relevant
- limp mode possible
Sources
References
sae:J2012