Powertrain
generic / SAE
P2BED
Fuel Control System A Too Rich Bank 1
Fuel control system A on bank 1 reports a persistently rich condition. Long-term fuel trim is at the negative limit, indicating excess fuel delivery or air metering error.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberB / ED
Possible causes
- Fuel rail pressure high or regulator stuck high
- Injector leaking - over-fuelling medium
Symptoms
- Check engine light on
- Increased fuel consumption
- Black smoke from exhaust on acceleration
- Smell of unburned fuel, fouled spark plugs
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 150–1500 €
- Estimated time: 1–6 h
- Component: fuel injectors
- Component: fuel pressure regulator
- Component: intake system
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012