Powertrain
generic / SAE
P02BC
Cylinder 9 - Injector Restricted
Cylinder 9 injector flow restricted — partial blockage detected. A flow-deviating injector throws off cylinder balance — adjacent cylinders run leaner/richer to compensate, often masking the root cause until the trim limit is hit.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number2 / BC
Possible causes
- Injector nozzle clogged high
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1–4 h
- Component: fuel injector
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012