P0088-85: Fuel Rail/System Pressure - Too High - Signal above allowable range: Action
- Check fuel pressure relief valve for correct operation
- Refer to the applicable SYSTEM WIRING DIAGRAM(S) and check fuel rail pressure sensor circuit for short circuit to power
- Using the manufacturer approved diagnostic system clear all stored DTCs using the `Diagnosis Menu' tab and retest
- Check and install a new fuel rail pressure sensor as required