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


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Old 12-27-2007, 09:59 PM   #1
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Default Replace fuel pressure regulator

Just wondering, what are the steps to replacing the fuel pressure regulator in my car, and how much work is it? Estimated Time?
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Old 12-27-2007, 10:02 PM   #2
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First, why are you doing it? What are your symptoms, and what were your troubleshooting steps? Is there a link to a topic?

It'* a single retaining ring and vac line, then it pulls out. Sometimes it'* difficult to get started.
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Old 12-27-2007, 10:11 PM   #3
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Someone once told me it might be bad, I'm looking at replacing it just to make sure it'* not, I've had "ok" mpg, when I first got the car I thought I smelt gas but had it checked multiple times and no leaks found, someone said the FPR could leak gas elsewhere...I don't know..you tell me Wren.
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Old 12-27-2007, 10:51 PM   #4
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After driving, wait 5 minutes and pull the vacuum line off the FPR. If you don't smell gas, don't change it.


OR:


Get a fuel pressure gauge and tell us how long it takes after ignition off for your pressure to bleed down to half the peak reading.







Someone once told me I'd be a millionaire.
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Old 12-27-2007, 11:14 PM   #5
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I think mine is bad as well. If i drive the car for a little while, then shut it off for 15 minutes or so, it has a hard time starting back up. Is this a good assumption?
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Old 12-27-2007, 11:28 PM   #6
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No, it'* not. There are 200 different things that can cause that.

Do the check I suggested above. If it doesn't make sense, start another topic for your problem. Yours is not likely to be the same as his, and even if it is, it'* very difficult and confusing to discuss two different problems in one topic.
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Old 12-27-2007, 11:50 PM   #7
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whoa, not that sloooo here. It makes sense, i just chimed in because I AM having some of the problems mentioned. I pulled the line, and got a very faint smell of gas. So i guess a new one it is! Thanks
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Old 12-28-2007, 12:08 AM   #8
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Where is the FPR? I probably could find it looking under the hood, but the car is outside and I don't feel like going out there right now...brief idea?
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Old 12-28-2007, 12:32 AM   #9
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right on top of the fuel rail. Its a circular looking thingy. LOL towards the front of intake
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Old 12-28-2007, 01:24 AM   #10
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Fuel Pressure Regulator is the silver thing above the valve cover.



FPR is silver thing in lower edit (left) corner.



Very clean ron350
LOL
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