9 98parkaveult New member Joined Oct 3, 2018 Messages 3 Reaction score 0 Points 1 Buick Ownership 98 Park Ave ULTRA Oct 3, 2018 #1 My tach on my 98 park ave only works for a few mins upon start up then it will stay stuck at whatever rpm it was at, any ideas??
My tach on my 98 park ave only works for a few mins upon start up then it will stay stuck at whatever rpm it was at, any ideas??