I was coming home a couple nights ago and suddenly my car loss alot of power i pulled over got some gas and it was spuddering. I drove a mile home and the next day brought it to autozone and got some tests it was misfiring in 2 3 5 with multiple misfires. The guy there told me It sounds like a ignition problem. I bought some spark plugs changed those. I did not space them tho I was told they were spaced allready. So nothing changed then i bought a coil pack and which I also changed and nothing. Can anyone help me out ?

 

double check the gaps, and move the packs around, if the cyl stay the same, it could be the harness which isnt something new.

 

is there anyway to test the harness?

 

just by inspections. After the other test show the plugs and packs are not the problem, its the next likely cause.