OBD-II code · Powertrain (generic, extended)
P2294 Fuel Pressure Regulator 2 Control Circuit
Electrical fault on the control line to the high-pressure fuel pressure regulator solenoid. Without a working drive signal the rail cannot maintain pressure and the engine may not start or runs in limp-home.
Is it safe to drive with P2294?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyRegulator solenoid open or shorted
- PossibleWiring break to regulator
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
- 1–4 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Fuel Pressure Regulator, Fuel Pressure Regulator Wiring
Related codes
- P2293Fuel Pressure Regulator 2 Performance
- P2291Injector Control Pressure Too Low - Engine Cranking
- P2292Injector Control Pressure Erratic
- P2295Fuel Pressure Regulator 2 Control Circuit Low
- P2296Fuel Pressure Regulator 2 Control Circuit High
- P2297O2 Sensor Out of Range During Deceleration (Bank 1 Sensor 1)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.