Powertrain
generic / SAE
P2289
Injector Control Pressure Too High - Engine Off
ICP remains above threshold after engine shutdown — pressure does not bleed off as expected, indicating a stuck check valve or sensor offset error.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number2 / 89
Possible causes
- Check valve stuck high
Inspection / repair
- Difficulty: hard
- DIY: shop recommended
- Estimated cost: 200–2000 €
- Estimated time: 1–5 h
- Component: injection pressure regulator
- Component: injector control pressure sensor
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012