Powertrain
generic / SAE
P2666
Fuel Shutoff Valve B Control Circuit Low
Voltage on the secondary fuel shutoff valve control line is below the expected window. Usually a short to ground or a shorted solenoid coil.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number6 / 66
Possible causes
- Control wire shorted to ground high
- Internal short in solenoid coil medium
- Connector pins corroded - high contact resistance low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 150–800 €
- Estimated time: 0.8–3 h
- Component: fuel shutoff valve b
- Component: solenoid
- Component: wiring harness
- MIL / check engine light
Sources
References
sae:J2012