Chances are the sending unit is bad. Also, you could have a weak or bad ground to the tank.
Sep 15, 2011 at 6:16 PM
LDIDLEY
MEMBER
1 POST
My 2003 LS with 88xxx miles did the same thing, it will not shift out of park, I had to get it towed. I am hearing it may be a bad electrical module located in the trunk.