Powertrain
generic / SAE
P26B4
Fuel Shutoff Valve A Control Circuit Stuck On
The first fuel shutoff valve stays open when commanded closed. Fuel cannot be cut off via this path during a safety event.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / B4
Possible causes
- Valve seized open by debris high
- ECU output driver stuck on medium
- Carbon or debris buildup preventing free movement low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 180–900 €
- Estimated time: 1–3.5 h
- Component: fuel shutoff valve a
- Component: solenoid
- MIL / check engine light
Sources
References
sae:J2012