I have a 93 grand am with a 2.3 automatic tranny. driving around town runs great, take it on the highway and come to a stop, idles good, try to go and she stalls. If you are doing 100 kmph and slow down to 50kmph and then start to speed up the tranny didn't shift down on it's own there for your rpm's are so low you can't get going again unless you manually down shift. Whats' up? I am thinking either tcc sensor (no engine light on) or change fluid and filter.
A problem like yours is hard to diagnose and would probably be best if left up to a professional. Just my
John
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RIP Hypsi - I just want to express I will never be the same after having lost such a good friend. You meant alot to me and I feel I am a better person for having known you. Til the day we meet again my friend you will always be in my heart.