Pickup is a 1996 3500 cummins with 47re. Ok so the truck starts up quick and runs fine. However under 55mph if I turn on the ac it starts surging 2nd 3rd and od. When going 55+ if I use the horn or windows it downshifts and rpms go high
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.