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Old 10-11-2011, 09:48 AM
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fuel pump bad??

i was dxriving my truck then all sudden truck started losing power then slowly died i restartedx it it was a lil shacky then died again i unscrewedx the fuel filter and lookedxin the housing and there was lil fuel in bowl i turned the key to on position and bowl did not fill with fuel lookedx as if it were shooting some bubbles up(air) could it be outta of fuel???
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Old 10-11-2011, 10:36 AM
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Do you not know if you ran out of fuel? If not, that would be the first place to start. If it's not out of fuel, it is either the pump or a restriction in the lines somewhere. When you turn the key to the ON position (without cranking the engine) can you hear the fuel pump humming for about 10 seconds? Most make a little noise. It may help if you have a buddy lie under the truck and look at the pump while you turn the key on. It will be obvious if it is working when you turn the key on if you are looking at it. Typically these pumps either quit working all together, or work fine. Rarely any in-between. Let us know what you find and we will get you running again soon.
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Old 10-11-2011, 10:59 AM
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Originally Posted by Robert6401 View Post
Do you not know if you ran out of fuel? If not, that would be the first place to start. If it's not out of fuel, it is either the pump or a restriction in the lines somewhere. When you turn the key to the ON position (without cranking the engine) can you hear the fuel pump humming for about 10 seconds? Most make a little noise. It may help if you have a buddy lie under the truck and look at the pump while you turn the key on. It will be obvious if it is working when you turn the key on if you are looking at it. Typically these pumps either quit working all together, or work fine. Rarely any in-between. Let us know what you find and we will get you running again soon.
ok will check it toay and get update thxd
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Old 10-11-2011, 11:26 AM
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... shooting some bubbles up(air) could it be outta of fuel???
Yep. The fuel pump is also pretty good at pumping air as well. When the fuel supply is exhausted, it will suck air through the fuel line connector between the pump and the tank.

Like Bob said, the fuel pumps are good one day and dead the next. They usually don't function in a partial capacity.

You might try getting yourself a jug of diesel fuel and manually plumbing it to the back of your fuel pump (make sure you use an inline filter of some sort). Cycle the key about 3 times and then start the engine. If it starts and idles fine then you will probably need to drop your tank and clean the screens (or perform the in-tank mods).

This is a fairly common issue.
Here is a link.
Welcome to guzzle's In-tank Hutch Mod Web Page
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Old 10-11-2011, 01:17 PM
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ok will do
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Old 10-12-2011, 02:15 PM
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checked fuel pump its working so i jus added 5 gallons of fuel and it started right up ran like **** for about 15mins(proably air in lines) and smoothed right out i guess i need to look at my sending unit instead lol thx fellas and im gonna drop the tank and mod the sucker
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Old 10-12-2011, 03:25 PM
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You will probably find that the fuel pick up foot has deteriorated. It's become a more common problem as these trucks age. I did the in-tank mods about three years ago and didn't replace the pick up foot. It will fall apart sooner or later.
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Old 10-12-2011, 04:48 PM
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You will probably find that the fuel pick up foot has deteriorated. It's become a more common problem as these trucks age. I did the in-tank mods about three years ago and didn't replace the pick up foot. It will fall apart sooner or later.
is there a link to in tank mod
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Old 10-12-2011, 05:05 PM
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is there a link to in tank mod
Get the sand out of your eyes. There's a link right at the bottom of Greg's post #4.
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Old 10-12-2011, 05:05 PM
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