P0003
Fuel Volume Regulator Control Signal too Low
Fuel SystemMODERATE
Описание
Fuel Volume Regulator Control, Signal too Low
Частые симптомы
- Low power output
- Poor fuel economy
- Difficulty starting
- Rough idle
- Check Engine Light
Возможные причины
- Short to ground in control circuit
- Failed fuel volume regulator
- Low battery voltage
- Corroded connectors
- ECU driver circuit failure
Диагностика
- 1. Check battery voltage and charging system
- 2. Test control circuit for shorts to ground
- 3. Measure fuel pressure
- 4. Test fuel volume regulator operation
- 5. Check ECU output signals
Решения по ремонту
- Repair shorted wiring
- Replace fuel volume regulator
- Charge or replace battery
- Clean electrical connections
- Replace ECU if faulty
Профилактика
- Maintain good battery health
- Protect wiring from abrasion
- Regular electrical system checks