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fuel gauge problem

bperry

Contributing Member
I have a 20 gallon fuel tank in my boat and the fuel gauge does not work properly. If I remove the sending unit and move it manually everything works. I have put the sending unit in a bucket of water and the float is good. I install it and the gauge reads empty. I have tried to re position it thinking it was hitting something in the tank. Nothing I have done helps. the tank is about half full. The float points to the aft corner. The fuel connection, vent and suction are all on the rear side. the float is too long to go fwd with it. not sure how the suction and fill are inside the tank. I would think they go straight down and the suction should be the only one that goes to the bottom. Any help would be appreciated.
 
just took the cork float off the sending unit and it barely floats, with the weight of the sending unit it does not. now I have a fishing cork floating in the tank and it worked but came off. time for a new sending unit.
 
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