AIS1 - Preliminary Checks For Hesitates/Stalls on Acceleration

- Key Off, Engine Off.

- Check that throttle lever is resting on throttle plate stop screw.

- 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 fuel quality (contamination).

- Are any problems found?

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

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