Fuel Volume Regulator Control Circuit Range/Performance
2004-2004 Cadillac DeVille 4.6L V8 Northstar
The 2004 Cadillac DeVille is equipped with a 4.6L V8 engine. Below you'll find detailed p0002 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
The fuel volume regulator is not operating within expected parameters. The PCM monitors fuel pressure and compares it to the commanded value.
Symptoms
- Check Engine Light
- Engine surge
- Unstable idle
- Reduced power
Common Causes
- Fuel volume regulator sticking
- Low fuel pressure
- Contaminated fuel
- Wiring issue
Diagnostic Steps
- Monitor fuel pressure with scan tool
- Compare commanded vs actual pressure
- Inspect regulator for debris
- Check wiring harness
Repair Notes
Clean or replace fuel volume regulator.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- 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
P0002 on Other Vehicles
Common Questions
What does code P0002 mean on a 2004-2004 Cadillac DeVille?
P0002 stands for "Fuel Volume Regulator Control Circuit Range/Performance". The fuel volume regulator is not operating within expected parameters. The PCM monitors fuel pressure and compares it to the commanded value.
What are the symptoms of P0002 on a Cadillac DeVille?
Common symptoms of P0002 include: Check Engine Light, Engine surge, Unstable idle, Reduced power.
What causes P0002 on a 2004-2004 Cadillac DeVille?
Common causes of P0002 include: Fuel volume regulator sticking, Low fuel pressure, Contaminated fuel, Wiring issue.
Last updated: March 2026