Fuel Volume Regulator Control Circuit/Open
1995-2005 Pontiac Sunfire 2.2L I4
Description
The PCM detected an open circuit in the fuel volume regulator control circuit. This regulator controls fuel pressure in the high-pressure fuel system.
Symptoms
- Check Engine Light
- Hard starting
- Reduced power
- Poor fuel economy
Common Causes
- Faulty fuel volume regulator
- Damaged wiring or connectors
- PCM failure
- Corroded terminals
Diagnostic Steps
- Read freeze frame data
- Inspect wiring to fuel volume regulator
- Test regulator resistance
- Check fuel pressure
- Test PCM output
Repair Notes
Replace faulty fuel volume regulator or repair wiring.
Related Codes
Other Powertrain Codes
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
- P0016Crankshaft Position/Camshaft Position Correlation Bank 1 Sensor A
P0001 on Other Vehicles
Pontiac Aztek
2001-2005 3.4L V6
Pontiac Bonneville
1990-1999 3.8L V6
Pontiac Bonneville
2000-2005 3.8L V6
Pontiac Bonneville GXP
2000-2005 4.6L V8
Pontiac Bonneville GXP
2000-2005 4.6L V8 Northstar
Pontiac Bonneville SSEi
1992-1999 3.8L Supercharged V6
Pontiac Bonneville SSEi
1992-1999 3.8L V6 Supercharged
Pontiac Firebird
1993-1997 3.4L V6
Common Questions
What does code P0001 mean on a 1995-2005 Pontiac Sunfire?
P0001 stands for "Fuel Volume Regulator Control Circuit/Open". The PCM detected an open circuit in the fuel volume regulator control circuit. This regulator controls fuel pressure in the high-pressure fuel system.
What are the symptoms of P0001 on a Pontiac Sunfire?
Common symptoms of P0001 include: Check Engine Light, Hard starting, Reduced power, Poor fuel economy.
What causes P0001 on a 1995-2005 Pontiac Sunfire?
Common causes of P0001 include: Faulty fuel volume regulator, Damaged wiring or connectors, PCM failure, Corroded terminals.