Fuel gauge going nuts
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Joined: Jul 2003
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From: Newport, WA
Fuel gauge going nuts
The past 2-3 days the fuel gauge on my SD has been acting strange... it moves around a lot more than it ever has before. Example- yesterday when I left for work I had just over 1/4 tank showing (I have a 50+ gallon tank BTW). Drive ~40 miles to work, park it. Around 3:30 get in to hook up the dolly and tow the basher home, low fuel light is on (???). Get hooked up, drive home no probs. Work on house some, drive to town- 1/4 tank when I left. Town is 12 miles away, recycle empty beer cans and grab dinner. Fire up to come home... low fuel light. Put 10 more gals. in, gauge goes up to 1/2!
This morning I fire it up, drive to work... 1/2 tank when I left the house, 1/4 tank by the time I get here. WTF is going on? Sending unit on the fritz?
This morning I fire it up, drive to work... 1/2 tank when I left the house, 1/4 tank by the time I get here. WTF is going on? Sending unit on the fritz?
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Joined: Jun 2006
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From: Brinklow Md
The past 2-3 days the fuel gauge on my SD has been acting strange... it moves around a lot more than it ever has before. Example- yesterday when I left for work I had just over 1/4 tank showing (I have a 50+ gallon tank BTW). Drive ~40 miles to work, park it. Around 3:30 get in to hook up the dolly and tow the basher home, low fuel light is on (???). Get hooked up, drive home no probs. Work on house some, drive to town- 1/4 tank when I left. Town is 12 miles away, recycle empty beer cans and grab dinner. Fire up to come home... low fuel light. Put 10 more gals. in, gauge goes up to 1/2!
This morning I fire it up, drive to work... 1/2 tank when I left the house, 1/4 tank by the time I get here. WTF is going on? Sending unit on the fritz?
This morning I fire it up, drive to work... 1/2 tank when I left the house, 1/4 tank by the time I get here. WTF is going on? Sending unit on the fritz?
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Joined: Jul 2003
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From: Newport, WA
Drops just below the body line, from the backside of the front door to the rear axle, all steel with a drain port on the bottom... big sunny beach.Chris any idea how much that sending unit cost?
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Joined: Jul 2003
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From: Newport, WA
Post Fiend
Joined: Feb 2007
Posts: 14,541
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From: Dallas-Ft. Worth
Could be loose wiring, too. Check the plug that runs to the sending unit up by the top of the tank. BUT if you're dropping the tank anyway to replace a sender, do the Hutch/Harpoon... 
EDIT: That is, do the mods if it doesn't already have a modified pickup in it. I remember that tank now looking at the pics... Might be a PITA to find the correct sender if it's not a stock one -- especially if you have no idea who made the tank.
EDIT: That is, do the mods if it doesn't already have a modified pickup in it. I remember that tank now looking at the pics... Might be a PITA to find the correct sender if it's not a stock one -- especially if you have no idea who made the tank.
Post Fiend
Joined: Nov 2007
Posts: 9,549
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From: Payson, AZ
No idea on the cost but for a diesel they will want to sell you a whole assembly. You can just buy the rheostat portion(the square box part) for a gasser and splice it in. There is an ancient thread about this somewhere.
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Post Fiend
Joined: Apr 2007
Posts: 5,398
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From: Gilbert, Az
Ford just but a new sender unit in my truck for $700. I would check your grounds, I had to take my truck back in, the gauge was still acting screwy and the ground had come lose in the right kick panel.
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Joined: Jul 2003
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From: Newport, WA
Not a Transer Flow unless they've changed their mounting brackets recently. I believe the sender is OEM... at least from what I've seen it appears to be. No idea if the pickup was modified or not but looks like I'll be finding out soon. I'm not going to worry about it too much until I get where I'm headed, then the fun will begin.
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