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Old 05-23-2011, 11:40 AM
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low fuel pressure!! help

so i installed my fuel pressure gauge yesterday and my fuel pressure was sitting at about 53psi. took it out for a spend and was shocked. i got in it and it dropped. the lowest it went under full throttle was 38psi.

so i decided that i would go to ford today and ask about the updated fuel spring and while i was there get the 6.4 banjo bolts. well i ended up walking out on them in mid conversation because they act soooo stupid and no urge to help at all saying "there is no such thing as a blue spring and why would you want 6.4 banjos, there is like 3 on the 6.4 and 1 on a 6.0 and replacing that stuff is stupid. you fuel pump is bad" well it might be but i still want the damn spring and the banjo bolt. dont worry about what im doing with it and just help. lol sorry about the rant and rave but i just cant stand dealerships. can anyone post me a link of where they bought there blue spring and banjos and maybe some thoughts on why fuel pressure is bad. thanks in advance
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Old 05-23-2011, 11:58 AM
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The spring in the fuel pressure regulator just wears out. It is metal and fatigues from repeated usage. Unfortunately, it should not wear out as soon as it has historically and that is why there is an "updated" spring. I got my kit from my trusted local Ford dealership parts department. Charlie is great. I understand TousleyFord.com also carries the kit.

Complete kit PN: 9T517

Jonathan
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Old 05-23-2011, 12:12 PM
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Originally Posted by howell_jd View Post
The spring in the fuel pressure regulator just wears out. It is metal and fatigues from repeated usage. Unfortunately, it should not wear out as soon as it has historically and that is why there is an "updated" spring. I got my kit from my trusted local Ford dealership parts department. Charlie is great. I understand TousleyFord.com also carries the kit.

Complete kit PN: 9T517

Jonathan
thanks ive seen the name around. i will check them out. i was thinking it could be something simple before i just gave up and said it was a 400 hundred dollar fuel pump
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Old 05-23-2011, 12:54 PM
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Tousley Ford Parts is a great place to get Ford parts. Their prices are hard to beat for the average guy.
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Old 05-23-2011, 08:45 PM
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Originally Posted by at0075 View Post
thanks ive seen the name around. i will check them out. i was thinking it could be something simple before i just gave up and said it was a 400 hundred dollar fuel pump
This should help with the install also from a member over at the Dieselstop
Here you go this is a good post by Band Member on the fuel pressure reg spring install.
Fuel Regulator Upgrade w/ Pictures - Diesel Forum - TheDieselStop.com

2 stroker
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Old 05-24-2011, 07:16 AM
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Originally Posted by 2 stroker View Post
This should help with the install also from a member over at the Dieselstop
Here you go this is a good post by Band Member on the fuel pressure reg spring install.
Fuel Regulator Upgrade w/ Pictures - Diesel Forum - TheDieselStop.com

2 stroker
Thanks for the link
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Old 05-24-2011, 07:40 AM
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I changed the spring on mine and then when I fired it up the fuel pressure hit 90 psi at idle!! Is there more then one kind of spring or was I given the wrong one? I put the stock one back in as I have heard that high fuel pressure can be a problem.
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Old 05-24-2011, 07:45 AM
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Did you put the GDS spring in it?
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Old 05-24-2011, 08:02 AM
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Who or what is GDS?
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Old 05-24-2011, 08:13 AM
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Did you get the spring straight from Ford?
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