OBD-II code · Powertrain (generic, extended)
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.
Is it safe to drive with P2289?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyCheck valve stuck
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–5 h
- Emissions test
- Likely to fail
- Parts involved
- Injection Pressure Regulator, Injector Control Pressure Sensor
Related codes
- P2288Injector Control Pressure Too High
- P2286Injector Control Pressure Sensor Circuit High
- P2287Injector Control Pressure Sensor Intermittent
- P228AFuel Pressure Regulator A - Forced Engine Shutdown
- P228BFuel Pressure Regulator B - Forced Engine Shutdown
- P228CFuel Pressure Regulator A Exceeded Control Limits - Pressure Too Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.