P2288
Injector Control Pressure Too High
ICP is above the upper threshold during operation. Typically the injection pressure regulator (IPR) is stuck closed or the high-pressure oil pump runs above target.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: hard
Common causes
Ordered by how often each turns out to be the cause.
- IPR stuck closedCommon
Parts involved
- Injection Pressure Regulator
- High Pressure Oil Pump
P2288 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.