P00CB
Fuel Volume Regulator Solenoid Supply Voltage Control Circuit/Open
Generic OBD-II
Common symptoms
What you'll notice
- Check the wiring and connections of the fuel volume regulator solenoid
- Inspect the fuel volume regulator solenoid for any signs of damage or malfunction
- Clean the fuel volume regulator solenoid to remove any debris or corrosion
- Replace the fuel volume regulator solenoid if necessary
Common causes
Most likely first
- Faulty fuel volume regulator solenoid
- Poor electrical connection to the fuel volume regulator solenoid
- Faulty fuel pump
- Clogged fuel filter
- Low fuel pressure
How to diagnose & fix
Work through it in order
- Engine misfires or runs rough
- Decreased fuel efficiency or increased fuel consumption
- Rough or unstable idle
- Stalling or hesitation during acceleration
- Difficulty starting the vehicle
Read & clear P00CB yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.