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Check engine light code misfire cyl 4. I have changed the plugs & coil wire.

(2004 Hyundai Sonata)
in Imperial Beach, CA on November 16, 2012
could it be a weak coil. The copil is on cyl 4 but I think it serves cyl 2 also.
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Popular Answer
of Greg's Orange Auto on November 16, 2012
yes poss coil but ck electrical signal to it 1st
on November 16, 2012
IF YOU CHANGE THE PLUG AND WIRE THE NEXT STEP WOULD BE THE COIL. YES THE COIL IS #2 AND #4
on November 16, 2012
It wAS THE COIL
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