My 93 Saturn SL2 started having intermittent stalling issues and sometimes not wanting to start or stay idling. Can happen at a stoplight or just idling when parked. Seems to run fine going down the highway.
I have changed spark plugs, oil & oil filter, air filter & the fuel filter.
Any thoughts as to possible solutions?
Thanks for any help or ideas!
Bob
I would look at the egr system. First pull the valve and clean it. If you have a vacuum tester this would be a good time to test the valve itself as well. When under load you should be able to see the diaphragm engage and hold and then release as you release the vacuum. If that doesn't work check and/or replace the egr solenoid. It's located on the driver's side of the valve cover and usually runs about 60$.
Yours is a common complaint and the above is the most common remedy. Outside of that you might want to check and clean the idle air control valve and the port where it's housed. If it is extremely dirty or something managed to get stuck in there that could affect you vehicle running at idle as well.
Another thing, even though you just changed the plugs, pull one back out and look at it. If is fouled with oil you might need a new valve cover gasket which if it's leaking badly enough will impede spark.
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