Fuel pressure regulator & fuel lines - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 05-17-2006, 08:24 PM   #1
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Default Fuel pressure regulator & fuel lines

92' SSE
are the fuel lines connected to the fuel pressure reg. (with a rubber hose) suppose to be loose or is the line suppose to be accutually connected to the regulator even with the rubber hose around it?
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Old 05-17-2006, 08:27 PM   #2
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Put you year make and model in you sig so we know what we are answering... There were a few changes from 92-99

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Old 05-18-2006, 11:06 AM   #3
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Thanks for editing your year into the post.

I'm still not sure what you are asking, sorry...could you be a little clearer on what you are asking?
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Old 05-18-2006, 11:37 AM   #4
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The only thing 'connected to' your FPR is the vacuum line. Make sure it doesn't leak.
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Old 05-18-2006, 12:15 PM   #5
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Let me try and elaborate on what has been said.

Your fuel lines come from the fuel sending unit located in the fuel tank. The supply passes through a fuel filter enroute to the front of the car. At the engine the fuel lines are connected to the fuel rail which is also connected to the six injectors. A fuel pressure regulator is mounted in that fuel rail and has a vacuum line going to it from the upper intake manifold (usually a few inches back from the throttle body).
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Old 05-18-2006, 03:21 PM   #6
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Will,


I noticed when I've been working on bufford the last couple of days that there'* a 90 degree elbow on that vacuum line right on the pressure regulator. Well I noticed mine is cracking, possibly leaking. I should get that replaced. Wonder if that is contributing to my problem? Is that something I can get anywhere (autozone) or do I have to go OEM on that ?

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Old 05-18-2006, 04:00 PM   #7
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Quote:
Originally Posted by BMWhound
Will,


I noticed when I've been working on bufford the last couple of days that there'* a 90 degree elbow on that vacuum line right on the pressure regulator. Well I noticed mine is cracking, possibly leaking. I should get that replaced. Wonder if that is contributing to my problem? Is that something I can get anywhere (autozone) or do I have to go OEM on that ?

Thanks
Yes...giterdone. Watch out for different sized vacuum fittings on the same line. One end will look like 1/8 and the place that hose tooks to might be 1/4
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Old 05-18-2006, 04:23 PM   #8
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I'm not sure if you'll be able to get that at your local parts store. I got mine at the GM dealer for like $3. Well worth it though.
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Old 05-18-2006, 04:28 PM   #9
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Lash,

Thanks...dealer sounds like the way to go. Even my poor pocketbook can handle 3.00 bucks :P .
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Old 05-18-2006, 04:54 PM   #10
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I picked up a silicone hose kit at Pepboys... More than $3 though.
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