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2007 Kia Rio Repair Question


Topics covered: Engine, Check engine light, Compression.
Mileage: No information provided.

Asked on January 27, 2013

Kia Rio Engine Problem

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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Answer

Replied on 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?

Tiny Answered by Jacobandnickolas (expert)
57,475 answers provided