Possible fuel sender or gauge problem
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Fleet Mechanic
Joined: Jan 2007
Posts: 1,847
Likes: 37
From: Eastern shore,Salisbur,MD
Possible fuel sender or gauge problem
Hi gang. This week, my truck was called into service to ride several injured vets for a celebration thorough two small towns. It was such an honor. More about that a little later. I was watching my gas gauge go down rather quickly and then smelt something burning, like a resister. Then the gauge went to empty. Before I left the event, I put 5 gallons of fuel in it. Then the gauge started working and went to full. When I did the truck, I put a new tank and sender in it. How ever, the gauge reading was always off. It would stay on full for the longest time and finally when it was on half, I would be out of gas. That is the float adjustment. But this other issue I am not sure of yet. I have not looked at it yet. Any ideas
Fleet Mechanic
Joined: Dec 2005
Posts: 1,603
Likes: 44
another finicky common problem. Did the tank loose its ground to the sender which I
doubt. Is the feed sender wire to the dash good.....We have more problems with replacement senders. usually not compatible out of the box with the gauge. My 54 did
the exact same thing. I grounded the gauge it went to full. I grounded my so called
new sender moved the float by hand up and down no go. I forgot your year truck "I
should know" lol but if a 53 to 55 I bought the new fuel gauge and sender from (forgot
who) maybe LMC end of that problem.........
doubt. Is the feed sender wire to the dash good.....We have more problems with replacement senders. usually not compatible out of the box with the gauge. My 54 did
the exact same thing. I grounded the gauge it went to full. I grounded my so called
new sender moved the float by hand up and down no go. I forgot your year truck "I
should know" lol but if a 53 to 55 I bought the new fuel gauge and sender from (forgot
who) maybe LMC end of that problem.........
More Turbo
Joined: Sep 2020
Posts: 578
Likes: 176
From: Thompsons Station, TN
I have the same problem. New tank and sending unit. Worked fine for the first 5-6 months, but now the gauge will show actual then intermittently drop and then return slowly.
I think it’s related to the cheap Chinese made sending unit as the first one didn’t work at all (exchanged for current one). Anyone know of US made units (51 F1)? TIA
I think it’s related to the cheap Chinese made sending unit as the first one didn’t work at all (exchanged for current one). Anyone know of US made units (51 F1)? TIA
Thread Starter
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Fleet Mechanic
Joined: Jan 2007
Posts: 1,847
Likes: 37
From: Eastern shore,Salisbur,MD
Thanks Sam. This is the second unit I purchased from Mid Fifty. the first one had a dead spot in the reostat. I took the truck out yesterday and all was good. I looked at the wires under the dash and all looked well. Everything was newly wired when I did the truck. . Next time I go out to the truck and have some time I will look at the wiring on top of the tanl. We shall see. As always thanks for your input It is a '54
Dturk. thanks also. i agree with the cheap units. I am not a fan.
Dturk. thanks also. i agree with the cheap units. I am not a fan.
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