engine not steadily while it work
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1995 Hyundai Sonata Question: engin
Answer #1dandd January 15, 2010, 13:23Master
Most likely it needs a tune-up with plugs, wires etc.
Answer #2patrick mannion from Greg Solow's Engine Room, January 17, 2010, 16:11Master
If the Check Engine Light/Service Engine Soon light was on or is presently on a scan tool will be required to retrieve codes stored in the on board computer in your car that may indicate what is causing the rough running.