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kickdown cable

Sounds like the kickdown cable, it determines the change point depending on the throttle position and can have too much play in it, meaning the tranny stays in higher gears. It's the cable off the throttle body which goes over the top of the intake piping.
Others with manuals will be able to tell you the correct amount of play in the cable but I think it is an easy adjust.

might want to check to see if the AT computer is holding any codes just in case anything else is wrong.

on the coupe the at comp is next to the ECU under the passenger seat carpet (under glovebox). It is the yellow lamp.

good luck

rich
 

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trannyu codes

I'm not sure I can add too much to what I said before. AT's have a computer with a diagnostic led which holds the codes when there is a fault. Like I said, on the coupe it's next to the ECU nder the carpet by the passenger's feet. its an amber bulb so you dont confuse it with the red ECU.
You don't need to go poking around there unless your d4 light on the gear position indicator starts flashing. This is the equivalent of the check engine light coming on. D4 will flash when the tranny comp picks up a fault code, and if it's a hard fault it gets displayed as a number of flashes by the tranny comp.
However, my manual has no listing of these codes, so I can't diagnose shyyt myself. My D4 flashed for a bout a minute a few weeks ago and I had the car into a tranny specialist quick smart as I am paranoid about dropping the AT. Turned out to be nothing a fluid change couldn't sort out.

re downshifting - the cable is reasonably sensitive to adjustment, and excess play will definately cause the downshifting stickiness described. I experienced this when I moved the bracket holding the downshift cable to play around with some CAI piping a while back. Again, sorry I can't tell you how much play this cableshould have as I don't have my manual at work.

Rich
 
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