Are you checking with the truck running? Has to be running to check if full. Also Light may have nothing to do with full or not- have to do with temp- Or when the sensor gets wet LOL (happened to me LOL) as said before. When sensor fails as mine did it stayed on until I had it replaced.


1990 Black Monty LS Over 300K' 1993 Isuzu Rodeo LS 4x4 46k (yes only 46K!)1989 Honda Transalp 600 Africa twin,