check engine light code misfire cyl 4. I have changed the plugs & coil wire. on 2004 Hyundai Sonata

could it be a weak coil. The copil is on cyl 4 but I think it serves cyl 2 also.

2 answers 1 comment
IF YOU CHANGE THE PLUG AND WIRE THE NEXT STEP WOULD BE THE COIL. YES THE COIL IS #2 AND #4
It wAS THE COIL
yes poss coil but ck electrical signal to it 1st