man my car which i just got fixed w/ new spark plugs and wires and all, and i took it to pep boys nad they dont know whats wrong w/ it, and when im accelerating, it kicks back and doesnt perform and is alot slower on pick up, at pep boys they couldnt figure out whats wrong w/ it they told me to go to a dealer, maybe someone can help me, once agian the car wobbles, /kicks back when i acelaratin, sounds like hte engine isrunning on 5 cyliders but its running on all 6, some help please