could it be a weak coil. The copil is on cyl 4 but I think it serves cyl 2 also.
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2004 Hyundai Sonata
Question: check engine light code misfire cyl 4. I have changed the plugs & coil wire.
Answer #1OIL GEEK November 16, 2012, 09:43Technician
IF YOU CHANGE THE PLUG AND WIRE THE NEXT STEP WOULD BE THE COIL. YES THE COIL IS #2 AND #4
Replylarryinib, November 16, 2012, 18:55Rookie
It wAS THE COIL
Answer #2Greg's Orange Auto (8341 Answers) , Orange, CA - (714) 361-9355globalhelper November 16, 2012, 13:28Master
yes poss coil but ck electrical signal to it 1st