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96 z71 quick jerk at highway speed

724 views 5 replies 2 participants last post by  jw0226790  
#1 ·
I have a 96 Z71 5.7 automatic. When I'm on the highway it will jerk for a split second while driving it may do it once or it may do it 4-6 times in 15 or so miles. Just put new plugs in but problem still happening. New fuel filter too. Speeds are usually 60-70 mph when it happens. Shifts fine.