Stalls at Idle, Deceleration

SYMPTOM:
Engine stalls at stops and on deceleration.

POSSIBLE CAUSE ACTION


EGR valve loose or sticking Check EGR system in "Testing
plunger, flange gasket leaking, Procedures" in Emissions
solenoid and thermo valves
malfunctioning


Ignition timing Check Ignition Timing in "Adjustment
Procedures" in Emissions


Restricted exhaust system Check Catalytic Converter system in
"Testing Procedure" in Emissions


Idle speed too low Check idle load compensator devices
in "Testing Procedures" and idle speed
in "Adjustment Procedure" in Emissions


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