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Re: 1993 dodge ramcharger fuel system diagram pdf truck...
In-tank fuel pump. remove gas tank and remove the fuel pump and screen from it and either clean the pump and screen(or in-tank filter) or replace it with a new one. Its a lot easier if you empty the tank first.
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Hopefully the old lines are still in place & that will give you something to look at & measure.
Steel tubing --I assume-- your running from front to back, until you transition to rubber or braided hose?
I would say 3/8" steel fuel tubing
No one-- meaning people who never work on vehicles, or parts store people who disrespect your age or knowledge?
The only issue will be at the gas tank & on the engine
If it has a carb,then it may be steel all the way or some rubber hose,at the gas tank if your going there you may have special connectors & they are avail,but again the parts stores will play stupid as they don't get too involved there
It sounds like you have an enemy that sabotaged your vehicle. The sand in the oil pan concerns me the most as major damage can be done in a short time with the engine running. The water in the gas tank is less of a worry because you can drain the tank and then add a couple bottles of Heet fuel conditioner which will cause any remaining water to mix with the fuel and burn away.
Sound like your fuel pump quit working. That is what makes the buzzing sound from the back. Sometime if you have someone that can help you you can bang on the gas tank while turning it over to get it started to get it home.
Those rattly noises are detonations, caused by a very lean mixture. All the other symptoms indicate that the fuel flow to the carb is too low. Since you have replaced the pump and the filter, the only other things left to check are the lines and the tank sump. Or you could install a much larger pump.
The problem most likely is not the gauge itself. It could be faulty wiring between the gauge & sending unit, or most likely a bad sending unit in the tank. Visit Ramchargercentral.com, do a thread search on fuel gauge issues, and you'll find a ton of info. If you need anything clarified, post up on the vehicle help board...the members there are happy to help!
Try running some fuel back through the feed line from the pump to the tank. Chances are you will see fuel leaking out of it somewhere. The pump on the engine pulls fuel. Even a pinhole will draw in air. You did check the sock filter in the tank right?
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