P2295
Fuel Pressure Regulator 2 Control Circuit Low
Drive voltage to the second fuel pressure regulator solenoid is below the lower limit. On common-rail diesels and direct-injection petrol engines this affects high-pressure fuel control directly.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
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
Common causes
Ordered by how often each turns out to be the cause.
- Drive line shorted to groundCommon
- Solenoid coil internally shortedPossible
- Connector pins corroded - high contact resistanceLess likely
Parts involved
- Fuel Pressure Regulator 2
- Fuel Pressure Regulator Wiring
P2295 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.