P008D
Fuel Cooler Pump Control Signal too Low
Fuel SystemMODERATE
Описание
Fuel Cooler Pump Control, Signal too Low
Частые симптомы
- Reduced fuel cooling system performance
- Check Engine Light
- Possible fuel temperature increases
- Reduced fuel system efficiency
- Possible hot fuel performance issues
Возможные причины
- Short to ground in fuel cooler pump circuit
- Failed fuel cooler pump
- Low system voltage
- Corroded ground connections
- ECU driver circuit issue
Диагностика
- 1. Check battery and charging system
- 2. Test for shorts to ground in fuel cooling circuit
- 3. Inspect fuel cooler pump operation
- 4. Check ground connections
- 5. Test ECU fuel cooling control output
Решения по ремонту
- Repair shorted fuel cooling wiring to ground
- Replace faulty fuel cooler pump
- Charge or replace battery if needed
- Clean and tighten ground connections
- Replace ECU if driver circuit failed
Профилактика
- Maintain good electrical system health
- Protect fuel cooling wiring from heat damage
- Regular fuel system temperature checks