yes bucking what did you do to fix it mine started after rebuilding my whole motor mahle pistons, balanced,and ported my head didnt touch the pump in the process
I just put a new spring on the throttle mechanism to make the pedal not so touchy. More tension. it was located to the back and kinda bottom of the pump. I actually got the spring from Jim Jessup when i was there...heard of him? You can try Chrysler dealer but I thought I went there and they didn't have it.