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How to Replace the Fuel Pressure Regulator? 1989 I-6

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Old 10-08-2010, 01:35 AM   #1
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Default How to Replace the Fuel Pressure Regulator? 1989 I-6

I've got a 1989 F150 with an inline 6 that needs a new fuel pressure regulator. Unfortunately, the fuel rail is mounted beneath the intake manifold, and the regulator is really hard to get to.

Is there any way to replace the fuel pressure regulator without having to remove the manifold? I'm afraid that if the manifold has to be removed, that's a job that I won't be able to handle, and if a professional mechanic is required, the truck won't be worth repairing.

I'm really hoping that it's possible to replace the regulator without having to take off the manifold. If anyone can offer helpful advice, I'd greatly appreciate it.
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Old 10-08-2010, 02:26 AM   #2
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Have some faith in yourself. Taking off the upper manifold isn't a big deal. Use tape to mark where things go if you think you might forget, and/or take pictures. Electrical plugs will only plug in one place, and the vacuum diagram is on the sticker on the air box.
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Old 10-08-2010, 02:58 PM   #3
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I appreciate your vote of confidence. I am a bit hesitant to remove a manifold as I don't have a garage, and the oak trees are raining acorns. The falling debris is a problem.

Can anyone provide me with a link to a how-to article?

Am I correct in assuming that new gaskets are going to be required? what sort of tools are required to get the manifold off?

TIA.
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Old 10-08-2010, 03:40 PM   #4
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There's not much to it. Unplug the electrical connections and vacuum lines. Unhook the throttle linkage and kickdown cable if equipped. There's a bracket on the drivers side to brace it and a few bolts to take it off the lower. It would be best to use a new gasket but I've reused the old one before if it doesn't rip.
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Old 10-10-2010, 09:02 PM   #5
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Yep, its not a bad job. I asked a more knowledgeable friend to do it with me and ended up feeling silly about it afterward. You might actually be able to get away with not taking the whole thing off, too. I think if you unbolt it at the EGR and where the upper and lower manifolds come together you can just prop it up from there and get to where you need to be.
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Old 10-10-2010, 09:16 PM   #6
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The F/P Regulator on I6's requires intake removal?
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Old 10-10-2010, 09:31 PM   #7
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isn't it that thing on top of the fuel rail and air rail next to where the manifolds bolt together (unter the manifold)?
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Old 10-10-2010, 11:03 PM   #8
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Quote:
Originally Posted by Pine Barron View Post
isn't it that thing on top of the fuel rail and air rail next to where the manifolds bolt together (unter the manifold)?
It better look a lot like this! http://www.fordfuelinjection.com/?p=41
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Old 10-11-2010, 07:19 AM   #9
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how do you know the FPR is bad?
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Old 10-11-2010, 08:53 AM   #10
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Quote:
Originally Posted by coralnut View Post
I've got a 1989 F150 with an inline 6 that needs a new fuel pressure regulator. .
Quote:
Originally Posted by dr_bowtie View Post
how do you know the FPR is bad?
X2!
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