Powertrain
generic / SAE
P2E69
System Too Rich During Cylinder Deactivation Bank 1
During cylinder deactivation on bank 1, the fuel trim of the active cylinders runs persistently rich. Indicates excess fuel delivery or injector leakage.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberE / 69
Possible causes
- Injector leak on active cylinders high
- Deactivation partial - residual combustion 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: 200–1500 €
- Estimated time: 1–6 h
- Component: fuel injectors
- Component: deactivation solenoids
- Component: intake system
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012