Powertrain
generic / SAE
P2BB1
Alternative Fuel Consumption Too High
The AFCM detects that alternative fuel consumption exceeds the expected value for the active operating mode. Indicates injector leakage, fuel pressure too high, or unmetered fuel loss.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberB / B1
Possible causes
- Alt fuel injector leaking high
- Fuel rail pressure above target medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1800 €
- Estimated time: 1–7 h
- Component: alt fuel injectors
- Component: alt fuel rail
- Component: alt fuel pressure regulator
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012