88 5.0 is having some issues

banks98stang

Member
Nov 20, 2009
57
0
6
it got a 89 motor and ecu if that matters
so anyways
the cars to act like its over heatin the temp gauge goes up n down only when u put it in gear ond start to go but if i run it threw 1st 2nd and 3rd b4 the tem guge has a chance to go all the way up it will drop back down n the car will run fine for a few hours or even a day but if the temp gauge goes all the way up the car shuts off any help will do ?