replace a solienoid in the transmission. Car won't go into over drive on 1998 Pontiac Grand Prix

1998 grand prix, has traction control. Drives fine changed geares until it goes into drive , after that it will not change into over drive.

by in Fort Mill, SC on July 01, 2013
1 answer
ANSWER by , July 01, 2013
Have a trans. tech. scan test it to find out why!