OBD-II code · Powertrain (generic, extended)
P2291 Injector Control Pressure Too Low - Engine Cranking
During cranking, ICP does not build up enough to fire injectors. Typical no-start condition on HEUI engines from a stuck-open IPR or weak HP oil pump.
Is it safe to drive with P2291?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyHP oil rail does not pressurise
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–6 h
- Emissions test
- Likely to fail
- Parts involved
- Injection Pressure Regulator, High Pressure Oil Pump
Related codes
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.