DTC P0193-85: Fuel Rail Pressure Sensor A Circuit High - Signal above allowable range: Action
- Check connector is not disconnected, connector pin is not backed out
- Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Refer to the appropriate system wiring diagrams and check fuel rail pressure sensor circuit for short circuit to power
- Check fuel rail pressure sensor ground supply circuit for open circuit, high resistance
- Clear the DTCs and retest
- Check and install new fuel rail pressure sensor as required