Powertrain
generic / SAE
P2C9E
Fuel Pressure Regulator C Exceeded Control Limits - Pressure Too Low
Fuel pressure regulator C cannot maintain commanded pressure - actual rail pressure drops below the calibrated lower limit.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberC / 9E
Possible causes
- Leak in fuel rail or injector high
- Regulator stuck open medium
Symptoms
- Check engine light on
- Hard start, no start, or stalling under load
- Power loss especially at high load or rpm
- Possible long cranking time
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 200–1500 €
- Estimated time: 1–6 h
- Component: fuel pressure regulator c
- Component: fuel rail
- MIL / check engine light
- emissions-relevant
- drive cycle required
- limp mode possible
Sources
References
sae:J2012