Shaking on 1998 Mazda B2500

I was driving down the street truck started shaking then check engine light came on. Gave a code that the 4th was misfiring. I changed all the plugs and witres and truck is still shaking and almost ready to die when at a stop light, When i step on the gas it tries to even itself out. What else should I be looking for?

1 answer 1 comment
I would look to see if you have a secondary ignition issue or possible a mechanical (compression) issue.

Neil Bilodeau
SAF-T Auto Centers
Wallingford, CT 06492
www.saftauto.com
Thank you I will definately try that I also noticed for the first time today that after driving it when I shut it off i smell i think (sulfur) the smell that you get after lighting a firecracker.