OBD-II code · Powertrain (generic, extended)
P2293 Fuel Pressure Regulator 2 Performance
The high-pressure fuel pressure regulator (volume control or pressure control valve on a direct-injection rail) is not maintaining commanded pressure. Often the rail-pressure sensor reading drifts away from the setpoint under load.
Is it safe to drive with P2293?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyPressure regulator worn or sticking
- PossibleHigh-pressure pump weak
- Less likelyRail pressure sensor drift
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 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Fuel Pressure Regulator, High Pressure Fuel Pump, Rail Pressure Sensor
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.