Stalls at Idle, Deceleration

Engine stalls at stops and on deceleration.

POSSIBLE CAUSE ACTION


Initial timing incorrect ^ Check Distributor Assembly installation


Excessive spark retard ^ Check Spark Controls,


Restricted exhaust system ^ Check Catalytic Converter


Idle speed too low ^ ^ Check operation of Idle Air Control (IAC) motor,


Vacuum leak ^ Inspect vacuum hoses for routing and damaged lines

^ Check intake manifold and vacuum components


Poor or contaminated fuel ^ Recommend higher grade fuel