94 galant auto trans.

cdjtrading, May 23, 7:12am
i have a 94 v6 twin turbo 4wd 6a12 galant, the prob seems to be when cold the trans drives great,after about ten mins in drive it just doesnt want to get out of 1st gear,if you hold the foot down flat it will change gear nice and smooth but bye then im going to fast. if i select the hold button it will change gears but very slippy can any1 help!