Quote:
Originally Posted by 68 TT
I had one that only moved a 1/4 tank for its entire range. Within that range it was accurate on how much was in that tank.
Turned out the float had a leak in it and was partially submerged in fuel. Check the float in the tank.
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Mine did the same exact thing, read a bit over a 1/4 a tank to empty through the full range sweep. I tried a new sender it did the same so I know it's not the float. The wiring checked out but have'nt checked the gauge. Anyone know how to test the gauge? In or out of the truck?