P0004
Fuel Volume Regulator Control Circuit High
1997-2000 BMW 528i E39 2.8L I6
Moderate SeverityPowertrainGeneric (SAE)
Description
The PCM detected a higher than expected signal from the fuel volume regulator control circuit.
Symptoms
- Check Engine Light
- High fuel pressure
- Rich running
- Black exhaust smoke
Common Causes
- Open in regulator ground circuit
- Faulty regulator
- PCM driver failure
- Wiring issue
Diagnostic Steps
- Check circuit voltage
- Test regulator resistance
- Inspect ground connection
- Check PCM output
Repair Notes
Repair open circuit or replace regulator.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- 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
P0004 on Other Vehicles
Common Questions
What does code P0004 mean on a 1997-2000 BMW 528i E39?
P0004 stands for "Fuel Volume Regulator Control Circuit High". The PCM detected a higher than expected signal from the fuel volume regulator control circuit.
What are the symptoms of P0004 on a BMW 528i E39?
Common symptoms of P0004 include: Check Engine Light, High fuel pressure, Rich running, Black exhaust smoke.
What causes P0004 on a 1997-2000 BMW 528i E39?
Common causes of P0004 include: Open in regulator ground circuit, Faulty regulator, PCM driver failure, Wiring issue.