Powertrain
generic / SAE
P02AD
Cylinder 5 - Injector Leaking
Cylinder 5 injector leaking fuel between commanded openings. 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 / AD
Possible causes
- Injector seat or seal leaking high
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
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References
sae:J2012