P00C8
Fuel Pressure Regulator A Solenoid Supply Voltage Control Circuit/Open
Generic OBD-II
Common symptoms
What you'll notice
- Check the fuel pressure regulator A solenoid for any signs of damage or malfunction.
- Inspect the wiring and connectors related to the fuel pressure regulator A solenoid supply voltage control circuit for any loose or damaged components.
- Test the fuel pressure regulator A solenoid supply voltage control circuit using a multimeter to detect any open circuits or voltage irregularities.
- Ensure that the power supply to the fuel pressure regulator A solenoid is stable and within the recommended range.
- Consult the vehicle or motorcycle's service manual for specific troubleshooting steps and diagnostic procedures related to the fuel pressure regulator A solenoid supply voltage control circuit/open issue.
Common causes
Most likely first
- Faulty fuel pressure regulator
- Wiring issue in the solenoid supply voltage control circuit
- Open circuit in the solenoid supply voltage control circuit
- Faulty solenoid in the fuel pressure regulator
- Incorrect fuel pressure setting
How to diagnose & fix
Work through it in order
- Engine misfires or runs rough
- Decreased fuel efficiency
- Difficulty starting the vehicle
- Stalling or hesitation during acceleration
- Fuel odor from the vehicle's exhaust
Read & clear P00C8 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.