I have a check engine light on. Engine skips at idle. on 2007 Hyundai Sonata

but it runs great at normal speeds and no noticeable gas mileage change. I change plugs but that didn't change anything. Have any suggestions.

by in Buena Vista, GA on February 23, 2012
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1 answer
ANSWER by , February 23, 2012
it sounds like a missfire code. check the coil and wires. it most likely is a secondary failure. Roy