Fuel Shutoff Valve B Control Circuit Stuck On
The second fuel shutoff valve stays open when commanded closed.
Affected components
- Fuel shutoff valve b
- Solenoid
Common causes
- High likelihood: Valve seized open by debris
- Medium likelihood: ECU output driver stuck on
- Low likelihood: Carbon or debris buildup preventing free movement
Diagnostic notes
- The malfunction indicator lamp may illuminate
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.