Lack of Power & Excessive Fuel Consumption

1. Insufficient turbocharger boost pressure caused by excessive opening of waste gate valve.
2. Insufficient turbocharger boost pressure caused by chipped waste gate valve.
3. Excessive rotor friction or drag.
4. Excessive wheel deflection.
5. Excessive gas leakage.
6. Intake air leaks.
7. Restricted air cleaner element.