Mechanics

KIA RIO ENGINE PROBLEM

2007 Kia Rio

2007 Kia Rio it had a misfire replaced spark plugs and 2 coils. Did compression test 145 -155 psi. It has a 1.6 L engine. Now it idles rough when warm, almost stalls. I'm wondering if it could be a Egr problem. Service light has not come on since replacing coils. Don't have a scanner to check for codes.
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Guest
January 27, 2013.




If the check engine light isn't on, chances are you don't have any codes. Have you checked for vacuum leaks and the idle air control valve?



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