what's the problem here??, please help! Options

[dayzdchika]

I have a 97 automatic st, and something's definitely wrong ... whenever I first start driving after my car's been sitting for a few hours, the car won't shift itself into the 4th gear ... I'm not really sure how to explain it, except that it rides and rides and rides in 3rd gear, rpm's high and everything, and then after a mile or so, it'll just kick into the 4th gear ... I thought maybe it was because of the extreme cold, but it kinda warmed up here for a few days, and the problem didn't get any better...

I have no idea what this is, I thought maybe it would go away, but it's not .... I'm hoping maybe it's something to do with the wiring, like the overdrive is getting stuck or something? maybe??

PLEASE don't tell me I need a new transmission or something, I think I'll cry!

any ideas?

[Guest_Matthew_*]

2 things. I have a gt auto and mine used to do the same thing. It's just that it is cold out. It never does it in the summer. I changed my tranny fluid to Hurst Hotshift ATF fluid. It works really well and it gives you really firm shifts. But yea it just does that cause it is cold out.