P0092

Описание

Valve for Fuel Metering (N290), Short to Plus

Частые симптомы

• Possible constant fuel metering activation
• Check Engine Light
• Potential fuel delivery issues
• Possible rich running condition
• Reduced fuel system safety

Возможные причины

• Direct short to power in metering valve circuit
• Failed metering valve with internal short to power
• Damaged wiring harness shorting to 12V
• Faulty ECU driver circuit
• Aftermarket wiring interference

Диагностика

1. 1. Check for direct shorts to power in metering circuit
2. 2. Test metering valve internal isolation
3. 3. Inspect wiring harness for power shorts
4. 4. Check ECU driver circuit operation
5. 5. Look for aftermarket modifications

Решения по ремонту

• Repair direct short to power in wiring
• Replace metering valve with power short
• Repair damaged wiring harness
• Replace ECU if driver circuit faulty
• Remove interfering aftermarket components

Профилактика

• Professional fuel system electrical work
• Regular wiring harness inspections
• Avoid unauthorized electrical modifications