AIS2 - Preliminary Checks For Lack of Power

- Key On, Engine Off.

- Check proper belt tension.

- Check for throttle linkage binding.

- Key On, Engine Running.

- Check engine operating temperature and coolant level in overflow reservoir.

- Check for vacuum leak (manifold, etc.) and hose routings.

- Check for proper operation of EGR valve.

- Check for ignition or exhaust malfunction.

- Check for brake drag.

- Check transmission shift schedule.

- Are any problems found?

YES -- Service or adjust as necessary. Replace parts as necessary.

NO -- Go to AIS4. AIS4 - Air Filter Check