P0007
Fuel Shutoff Valve A Signal too High
Fuel SystemMODERATE
Описание
Fuel Shutoff Valve A, Signal too High
Частые симптомы
- Engine may not shut off properly
- Check Engine Light
- Possible fuel leakage concerns
- Erratic fuel delivery
- Safety system warnings
Возможные причины
- Short to power in shutoff valve circuit
- Failed fuel shutoff valve stuck closed
- ECU driver circuit malfunction
- Wiring harness short
- Aftermarket modification interference
Диагностика
- 1. Test circuit for shorts to power
- 2. Check shutoff valve mechanical operation
- 3. Inspect wiring for damage
- 4. Test ECU output signals
- 5. Check for aftermarket alarms or systems
Решения по ремонту
- Repair shorted wiring
- Replace faulty fuel shutoff valve
- Remove interfering aftermarket components
- Replace ECU if driver circuit failed
- Reset fuel system adaptations
Профилактика
- Professional installation of aftermarket systems
- Regular wiring inspection
- Avoid splicing into factory wiring