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Feb 16, 2007 | 09:52 AM

#16

4running

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Joined: Jan 2007

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Now the HPOP is whats under the truck below the drivers seat correct? like a frame mounted fuel pump?

Feb 16, 2007 | 01:12 PM

#17

4running

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Joined: Jan 2007

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Gentlemen-

Heres the solution, I removed the line that feeds the fuel pump on the fuel rail, no fuel to be found. I took my air compressor and a rag and pressureized my fuel tank at the filler until fuel was primed at the pump. re attached it as it leaked out, hit the key once, my fuel bowl went from empty to over flowing installed a new fuel filter, and started right up!

I had lost the prime to my fuel pump! I could have cycled that key all day. This Forum is awesome! Between the search function and the guys who posted on this thread you took good care of me, I learned alot today thanks guys!

Kyle

Feb 16, 2007 | 01:18 PM

#18

Pocket

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Joined: Jun 2004

Posts: 9,293

Likes: 10

From: Parker, CO

You're not the first person I have seen that needed to have pressurized the tank. I believe that if you run out of fuel, the truck sitting at certain angles will prevent the fuel pump from picking up any more fuel out of the tank. Glad you got it running again.

Also, HPOP stands for High Pressure Oil Pump. It sits directly beneath the fuel filter bowl.

Feb 16, 2007 | 02:01 PM

#19

zx250

Of the next Riffraff East

Joined: Oct 2004

Posts: 8,679

Likes: 2

From: Concord NC

Glad you got it fixed. Sorry I didn't suggest that. Most of time the pump will prime itself. How steep of an angle were you on? It sounds as if you may have some air leaking in around you quick connections between your pump and tank. I had to catch a nap after work.

Feb 16, 2007 | 03:11 PM

#20

ponch37300

Laughing Gas

Joined: Feb 2006

Posts: 947

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Our trucks only have one fuel pump mounted on the frame. Glad to hear you got it started. If we do the in tank mods would this help with not having to prime the fuel pump?

Feb 16, 2007 | 03:19 PM

#21

zx250

Of the next Riffraff East

Joined: Oct 2004

Posts: 8,679

Likes: 2

From: Concord NC

Doing away with the quick connection between the pump and tank will help as well the intank mods. The quick connections will pull air and many have done away with these connections to solve the air in fuel problem.

Feb 16, 2007 | 03:19 PM

#22

Kwikkordead

Fleet Owner

Joined: Jun 2004

Posts: 25,090

Likes: 1,111

From: Rio Rico, AZ.

Quote:

Originally Posted by ponch37300

Our trucks only have one fuel pump mounted on the frame. Glad to hear you got it started. If we do the in tank mods would this help with not having to prime the fuel pump?

I would think so, but I have never had to put that to the test.

Feb 16, 2007 | 03:22 PM

#23

Pocket

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Joined: Jun 2004

Posts: 9,293

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From: Parker, CO

Ponch I'm really not sure. For some reason there seems to be a "bubble" of some sort where fuel cannot be sucked in the pick up feet after running empty. It only happens when the truck is sitting at a good angle. I heard about this a while back before I did the in-tank/pre-pump mods. So I made sure that I backed my truck into the garage as far as I could (without hitting the cab) so that it would sit as level as possible. I didn't want to have to try and sump fuel up once I was finished with the mods.