P00CD

Описание

Fuel quantity adjuster - circuit high

Частые симптомы

• Check Engine Light
• Possible fuel quantity adjustment issues
• Adjuster control system safety concerns
• Quantity control electrical signal problems
• Fuel metering performance and safety issues

Возможные причины

• Short to power in fuel quantity adjuster circuit
• Failed fuel quantity adjuster stuck on
• ECU driver circuit malfunction for adjuster
• Wiring harness short to 12V for adjuster
• Aftermarket fuel system interference with adjuster

Диагностика

1. 1. Test fuel quantity adjuster circuit for shorts to power
2. 2. Check fuel quantity adjuster mechanical operation
3. 3. Inspect wiring harness for damage near adjuster
4. 4. Test ECU fuel quantity adjuster control output
5. 5. Check for aftermarket fuel system components affecting adjuster

Решения по ремонту

• Repair shorted adjuster wiring to power
• Replace faulty fuel quantity adjuster
• Remove interfering aftermarket components
• Replace ECU if driver circuit failed for adjuster
• Reset fuel metering system adaptations

Профилактика

• Professional fuel quantity system work
• Regular quantity adjuster wiring inspection
• Avoid modifying factory fuel metering wiring