Hello group, Could really use some help on this one. This truck will not upshift if you are 3/4 throttle or more. If I ease off the throttle to about half or so it will go ahead and shift. This happens on the 1-2 shift and the 2-3 shift, there is no 3-4...

FIX posted 2/22/2000

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle