Stalls at Idle, Deceleration

Engine stalls at stops and on deceleration.

POSSIBLE CAUSE ACTION


PCV valve malfunction Check PCV system. Refer to EMISSION CONTROL DEVICES/DIAGNOSIS, TESTING AND INSPECTION PROCEDURES/TESTING PROCEDURES/POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM.



Faulty canister purge valve Check evaporative system. Refer to Refer to EMISSION CONTROL DEVICES/DIAGNOSIS, TESTING AND INSPECTION PROCEDURES/TESTING PROCEDURES/EVAPORATIVE EMISSION CONTROL (EVAP) SYSTEM.


Restricted exhaust system Check Catalytic Converter. Refer to EMISSION CONTROL DEVICES/DIAGNOSIS, TESTING AND INSPECTION PROCEDURES/TESTING PROCEDURES/CATALYTIC CONVERTER.



Idle speed too low Check idle Idle Speed Control (ISC) valve. Chart C-2B Idle Air Control (IAC) System Check



Unmeasured air entering Check vacuum hoses,
intake system (vacuum leak) intake manifold gasket, throttle body gasket, power brake booster, injector O-Rings, etc. for vacuum leaks