Fuel pump help - Ford Powerstroke Diesel Forum
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post #1 of 8 Old 12-08-2010, 02:30 PM Thread Starter
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Question Fuel pump help

So since the OBS's have mechanical fuel pumps is there any way where you can turn up how much fuel gets to the engine? Thanks
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post #2 of 8 Old 12-08-2010, 10:53 PM
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You can increase the fuel relief valve setting on the fuel pressure regulator. Just search for a post on fuel pressure regulator shim or BB trick. The idea is more fuel pressure pushes more fuel into the injector. But you will get mixed opinions on the idea behind it and if it works or not. I used the BB trick on one for a customer per his request just the other day. And it seemed to idle smoother and increased the fuel pressure about 10 psi. But he said he could not tell much difference in power if any at all. But who knows.

Last edited by smittysrepair; 12-08-2010 at 11:00 PM.
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post #3 of 8 Old 01-27-2011, 06:41 PM
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i need some help why my POWERSTROKE is leaking fuel when is idling or in the mornings when i get out and left to warm up and the warm up time is taking too much too warm my engine !!

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post #4 of 8 Old 01-28-2011, 05:21 PM
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Can you give us a little more info on your truck and engine? Such as all mods that have been done to it. Also if you could give a little more info on the direction the fuel is coming from or the area you see it in. A common leak spot is the o rings on the fuel drain valve that attaches to the filter base. Or the fuel transfer pump in the back of the engine valley under the turbo. If it is an old enough model to have the mechanical fuel transfer pump.
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post #5 of 8 Old 01-28-2011, 10:52 PM
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More some info

well is a 1995 f-350 7.3l with a stoke engine never modificated i want to keep original, is acrew cab dually pretty nice truck i see it down between the fuel filter cannister and the fuel pump and at the back of the fuel pump down the turbo !! but y bought the cooper washer rings thats go in the banjo bolt ford part #
(F$5TZ-9A375-A) i will do this weeken i hope ! and i see is my fuel restriction sensor leaking just where the sensor and the wire meet i put some rtv sealent to stop it or put a plug in there and i replace the pump ! bīcos it was leaking thanks i will upload some pic of my truck or see my vids on you tube , dieselinside69

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post #6 of 8 Old 02-01-2011, 07:57 PM
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i repair my diesel leak i see is the fuel restriction sensor i have to check if i can put some rtv sealant or i have to buy a new one on my local international dealer

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post #7 of 8 Old 02-01-2011, 08:03 PM
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my ford truck rules i love powerstrokes i finnaly can satart with my proyects

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post #8 of 8 Old 02-21-2011, 11:02 PM
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still leaking some body have any idea !! i change everything !!! i miss something !!??

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