Stalls at Idle, Deceleration

Engine stalls at stops and on deceleration.

POSSIBLE CAUSE ACTION



ECCS system Refer to On Board Diagnostics malfunction. in "Testing Procedures" in Emissions
to extract trouble codes.



Anti-backfire valve Check anti-backfire valve in
sticking open. "Testing Procedures" in Emissions.



EGR valve loose, sticking Check EGR system in "Testing
plunger, flange gasket leaking, Procedures" in Emissions.
solenoid malfunctioning.



Ignition timing incorrect. Check ignition timing in "Adjustment
Procedures" in Emissions.



Restricted exhaust system. Check catalytic converter system in
"Testing Procedures" in Emissions.



Idle speed too low. Check idle speed
in "Adjustment Procedures" in Emissions



Vacuum leak. Inspect vacuum hoses for
routing or damaged lines also
check intake manifold area.