Stalls at Idle, Deceleration

Engine stalls at stops and on deceleration.

POSSIBLE CAUSE ACTION



Ignition timing Refer to COMPUTERS AND CONTROL SYSTEMS.


Restricted exhaust system Check Catalytic Converter. Refer to TESTING PROCEDURES.



Idle speed too low Check idle load compensator devices in COMPUTERS AND CONTROL SYSTEMS.


Vacuum leak Inspect vacuum hoses for
routing and damaged lines
Check intake manifold area



PCV system clogged Check PCV system. Refer to TESTING PROCEDURES.