Powertrain
generic / SAE
P03C2
Cylinder 5 Pressure Too Low
Cylinder 5 measured peak combustion pressure is below the calibrated minimum — typically low compression, weak injection, or stuck-open exhaust valve.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number3 / C2
Possible causes
- Low compression on cylinder 5 high
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 400–4000 €
- Estimated time: 2–8 h
- Component: cylinder pressure sensor
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012