I am not a mechanic, but I had a similar symptom and it turned out to be the throttle position sensor was out. The transmission was shifting really hard because it was getting bad data from the sensor about the engine speed. Swapped sensors and the problem instantly disappeared. BTW, there...
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.