Question about 2003 Kia Rio
It was the ignition coil on mine.
Posted on Nov 30, 2011
Also check the compression . you can rent a cylinder compression tester from autozone. you could also do a leakdown test by getting an adapter that screws into the spark plug hole and fills the cylinder with compressed air and allows you to hear where its leaking weather from the oil cap or the exhaust or intake.
Posted on Jun 20, 2009
I would check the sparkplug first, then the timing. Do you get any spark at all at # 3 ?
Posted on Jan 24, 2009
first thing to do is clean the throttle body. kia even has a tech bulletin on it and missfire codes along with all sorts of others are caused by a dirty throttle body
Posted on May 19, 2010
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