My Buick slips out of gear when I'm at a stop light on 1990 Buick LeSabre

I have to go back to neutral and then drive to get it back in gear

by in Saint Charles, MO on April 07, 2013
1 answer
ANSWER by , April 08, 2013
possible shift sensor issue. bring it to a tranny shop for diagnostic run. tranny tech. will advise.