P000B
Exhaust Camshaft Position Slow Response (bank 1)
Variable Valve TimingMODERATE
Описание
Exhaust (B) Camshaft Position, Slow Response (bank 1)
Частые симптомы
- Poor exhaust scavenging
- Reduced high-RPM power
- Increased emissions
- Check Engine Light
- Possible EGR system interaction
Возможные причины
- Low oil pressure to exhaust phaser
- Clogged exhaust VVT oil passages
- Faulty exhaust camshaft phaser
- Sticking exhaust VVT solenoid
- Oil contamination
Диагностика
- 1. Check exhaust camshaft position data
- 2. Test exhaust VVT solenoid
- 3. Check oil pressure at exhaust phaser
- 4. Inspect oil passages
- 5. Compare intake vs exhaust response
Решения по ремонту
- Replace exhaust VVT solenoid
- Clean or replace oil control valve
- Replace faulty exhaust camshaft phaser
- Change contaminated engine oil
- Flush oil passages if clogged
Профилактика
- Use high-quality synthetic oil
- Follow severe service oil change intervals
- Address oil pressure issues immediately