my 96 12v auto tranny will not go over like 60 with the rmps pinged out its like theres no gear and wen i let off throttle rmps go down but it wont go untile rmps are up past 2000 and its shifts fine in town also when im in cruise it will go up to 70 using curise can anyone help me out this is really bugging me! and some times when rpms are up a sqealing noise will apear kinda sounds like turbo?

 

so its not going into o/d?

 

nope

 

I posted on the other thread but I just came up with a couple things to check..
Transmission temp sensor
TPS voltages
TV cable adjustment.