Stalls at Idle, Deceleration
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
Restricted exhaust system Check Catalytic Converter system in
"Testing Procedure" in Emissions
Idle speed too low Check idle speed
Vacuum leak Inspect vacuum hoses for
routing and damaged lines
Check intake manifold area