P0002moderate severityPowertrain
Fuel Volume Regulator Control Circuit Range/Performance
on 1999 BMW 528i 2.8L I6 M52 · RWD
What this code means
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.
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