- Check customer's driving habits
- A/C on full time or the defroster mode on?
- Are tires at correct pressure?
- Is excessively heavy load being carried?
- Is acceleration too much, too often?
- Check the fuel pressure
- Check the injector
- Test the exhaust system for a possible restriction
- Check the ECTS and circuit
|
- DTC
- Low compression
- Intake air leaks
- Contaminated fuel
|