Fault-Code Library · Fuel delivery
P2293: Fuel pressure regulator 2 performance
The high-pressure fuel regulator cannot maintain the pressure requested by the ECU.
Common symptoms
- •Hard starting
- •Hesitation under load
- •Reduced power
- •Stalling
Likely causes
- •Pressure-control valve fault
- •Weak high-pressure pump
- •Restricted supply
- •Injector leakage
First checks
- •Compare requested and actual pressure
- •Verify low-pressure feed
- •Test regulator command and injector leakage
Important
High-pressure fuel diagnosis requires rated equipment and vehicle-specific procedures.
A fault code identifies a detected condition, not a failed part. Confirm manufacturer-specific subcodes and live data.
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