Powertrain
generic / SAE
P2A71
Alternative Fuel Hydraulic Fuel Pump Select Valve Control Range/Performance
The control circuit of the alternative fuel hydraulic fuel pump select valve reports a control range/performance condition. Pump path selection cannot be commanded reliably.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberA / 71
Possible causes
- Valve responds slower than expected high
- High-resistance contact in connector medium
- Sensor element aged beyond calibration window 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: medium
- DIY: shop recommended
- Estimated cost: 200–1000 €
- Estimated time: 1–4 h
- Component: alt fuel hyd pump select valve
- Component: wiring harness
- Component: afcm
- MIL / check engine light
- emissions-relevant
- limp mode possible
Sources
References
sae:J2012