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