From Ross-Tech Wiki
18728/P2296/008854 - Fuel Pressure Regulator Valve (N276): Short to Plus
- Malfunction Indicator Light (MIL) ON
- Wiring and/or connections faulty
- Fuel Pressure Regulator Valve (N276) defective
- Check wiring and connections
- Check / Replace N276
- On some engines, the N276 may be refered to as the N290 in the factory wiring diagram.