Stalls at Idle, Deceleration

Engine stalls at stops and on deceleration.

POSSIBLE CAUSE ACTION

EGR malfunction,
EGR valve plunger loose or sticking,
flange gasket leaking,
solenoid valve malfunction
1. Check EGR system
If OK, proceed to step 2
2. Check EGR electronic controls.


Initial timing incorrect Check Ignition Timing



Restricted exhaust Check Catalytic Converter



Idle speed too low Check operation of any idle speed controlling device. Check and adjust idle speed



Vacuum leak Check vacuum lines and routing.
Check intake manifold and vacuum components.