Powertrain
generic / SAE
P2350
Cylinder 9 Pressure Variation High
Cylinder-to-cylinder pressure variation on cylinder 9 is above the calibrated maximum — combustion is unstable cycle-to-cycle, typical of partial misfire or injector seat erosion.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number3 / 50
Possible causes
- Rough combustion - excessive cycle-to-cycle variation high
- Injector intermittent on cylinder 9 medium
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 400–2500 €
- Estimated time: 1.5–6 h
- Component: cylinder 9 combustion
- Component: cylinder pressure sensor 9
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012