Stalls During Deceleration or at Idle

Engine stalls at stops and on deceleration.

POSSIBLE CAUSE ACTION


Idle speed too low ^ Perform minimum Airflow test.

^ SEE Powertrain Management / Computers and Control Systems / Testing and Inspection / Procedures Testing and Inspection


Restricted exhaust system ^ Check Catalytic Converter.


Poor or contaminated fuel ^ Recommend higher grade fuel


Vacuum leak ^ Check vacuum lines and routing.

^ Refer to Vehicle Emission Control Information (VECI) label under hood.

^ Check intake manifold and vacuum components