Help with fuel gauge
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Freshman User
Joined: Mar 2012
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Help with fuel gauge
Just picked up a 94 F350 5.8L and the gas gauge worked all day yesterday and all of sudden this morning its not working. I searched and read the hundreds of posts about these problems, and my gauge is acting a little different. When the truck is off key out the tank reads at a 1/4 but when the ignition is on it reads empty. I did just replace the P.S pump and did a lot of exhaust work so maybe I broke a wire somewhere?? I find it hard to believe that both the front and rear tank sender just broke overnight but maybe they did idk?
Now I have the dual tanks but how do they exactly work? Can you switch tanks while your driving or is it something you need to pull over to do? I'm trying to figure out if the switch even works. The PO SAID the rear tank works but who knows.
Now I have the dual tanks but how do they exactly work? Can you switch tanks while your driving or is it something you need to pull over to do? I'm trying to figure out if the switch even works. The PO SAID the rear tank works but who knows.
Fleet Owner
Joined: Aug 2005
Posts: 23,667
Likes: 301
From: Easton,Ks
Well it would not be a ground as the gauge would peg pass full if you lost a ground or had an open wire/plug.
What you have is a short to ground, sunk floats or a bad gauge.
If none of the gauges are working you could have lost a ground at the cluster.
What you have is a short to ground, sunk floats or a bad gauge.
If none of the gauges are working you could have lost a ground at the cluster.
Fleet Owner
Joined: Aug 2005
Posts: 23,667
Likes: 301
From: Easton,Ks
You can pull it out and clean it but most just replace the sender.
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