sorry if this has been posted once b4 but i was driving tonight and the rpm's would only go to 4500 and i let the car sit for an hour and now it only will go to 3000 rpm's and not shift out of first gear its an 04 ecotec auto trans, and the trans was already replaced at 16k from the dealer now there is 42k on the car any help would be great thanks guys
is it throwing any codes?
