Few ?s
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Freshman User
Joined: Feb 2014
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Few ?s
I have the 7.3 non turbo, first is my gas tanks. Both read full when full. But I'm empty on quarter. What's wrong? My second is the glow plugs. All but one is working. I bypassed my controller because as soon as I turned the key the light would come on for a second and go out. I would have to turn on/off 3 or 4 times before it would start and it's still hard to start. What's wrong? Anks
Senior User
Joined: Nov 2003
Posts: 298
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From: Saint Maries Idaho
First off, For your fuel tanks there is a rubber line in the tank that will break off and not allow you to use all of the fuel in your tank. You can fix this by pulling the tanks and replacing the line with an new piece of fuel hose with a V cut in the end of it to keep it from sucking to the bottom of the tank.
For your glow plug fix, you will need to test and replace your bad glowplugs. You can test them by removing the wires and checking them with a test light, use only Motorcraft/Beru ZD-9s as the other brands are inferior.
A better description of the fuel tank fix is in the New owner FAQ at the top of the page
Good luck
Bill
For your glow plug fix, you will need to test and replace your bad glowplugs. You can test them by removing the wires and checking them with a test light, use only Motorcraft/Beru ZD-9s as the other brands are inferior.
A better description of the fuel tank fix is in the New owner FAQ at the top of the page
Good luck
Bill
Logistics Pro
Joined: Apr 2005
Posts: 4,221
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Spend some time at the FAQ 6.9/7.3 IDI Diesel New Owner FAQ
Those are common problems you have. More than one glow plug is burnt out causing the controller to short cycle. The Cone of Failure on the end of your fuel tank pickup tubes has failed so that last 1/4 tank is out of the reach of the pickup. Both issues are covered in the FAQ.
Welcome to the forum!
Those are common problems you have. More than one glow plug is burnt out causing the controller to short cycle. The Cone of Failure on the end of your fuel tank pickup tubes has failed so that last 1/4 tank is out of the reach of the pickup. Both issues are covered in the FAQ.
Welcome to the forum!
Senior User
Joined: Nov 2003
Posts: 298
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From: Saint Maries Idaho
Good bunch of guys around here, always willing to answer questions. Welcome to the forum!
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Logistics Pro
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From: Centerville TN
Welcome the the best place for info on the idi. Your whole truck for that matter. Great guys that are open minded and not just one sided.
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