OBD-II code · Powertrain (generic, extended)
P228B Fuel Pressure Regulator B - Forced Engine Shutdown
Fuel Pressure Regulator B - Forced Engine Shutdown: the control module has detected this fault condition. This controls fuel-rail pressure.
Is it safe to drive with P228B?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyPressure runaway
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
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1.5–6 h
- Emissions test
- Likely to fail
- Parts involved
- Fuel Pressure Regulator
Related codes
- P228AFuel Pressure Regulator A - Forced Engine Shutdown
- P2288Injector Control Pressure Too High
- P2289Injector Control Pressure Too High - Engine Off
- P228CFuel Pressure Regulator A Exceeded Control Limits - Pressure Too Low
- P228DFuel Pressure Regulator A Exceeded Control Limits - Pressure Too High
- P228EFuel Pressure Regulator A Exceeded Learning Limits - Too Low
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.