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07-26-2009, 07:59 PM
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#1 | |
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AF Newbie
Join Date: Nov 2002
Location: Cincinnati, Ohio
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fuel pump pressure specfications
What should the working fuel pressure be on a 1990 Buick 3800 engine?. Is there a special procedure to checking the pressure? Should one ever use compressed air to blow out the fuel line of possible foreign matter such as rust, specifically, from the fuel filter back to the tank (where the fuel pump is located)?
How can I get this answer directly to my email : [email protected] ? |
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07-26-2009, 08:24 PM
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#2 | |
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A990 racer
 Join Date: Mar 2002
Location: Chestertown, New York
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Re: fuel pump pressure specfications
You need a fuel pressure gage attached to the port on the fuel rail (35-40) psi., I would not recommend blowing out the fuel lines, back to the pump.
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07-27-2009, 10:01 AM
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#3 | |
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AF Regular
Join Date: Jan 2009
Location: MONROE, Michigan
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Re: fuel pump pressure specfications
the fuel pump is located in the tank
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07-27-2009, 04:31 PM
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#4 | |
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AF Enthusiast
Join Date: Sep 2004
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Re: fuel pump pressure specfications
If we email you the answer, how will others reading the forums benefit?
Chris.
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1998 Buick Park Avenue (best car GM ever made) Buick Lesabre 1997, 191,000 152,000 - Motor R.I.P. Used 111,000 Motor, All New Gaskets Used 102,000 Transmission - SOLD New Balance 662 Trek 8000 
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07-27-2009, 07:44 PM
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#5 | ||
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A990 racer
Join Date: Mar 2002
Location: Chestertown, New York
Posts: 17,049
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Re: fuel pump pressure specfications
Quote:
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07-29-2009, 12:12 AM
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#6 | |
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AF Enthusiast
Join Date: Aug 2004
Location: Space Coast, Florida
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Re: fuel pump pressure specfications
37-41 Psi is the general range for the Vin C 3800... A little lower or higher is ok..
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07-29-2009, 12:44 AM
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#7 | |
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AF Enthusiast
Join Date: Sep 2004
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Re: fuel pump pressure specfications
My fuel pump went out today. Have a big trip planned for Thursday.
 104* highs don't help. I drove 15 miles home by turning the key a few times to get the pump to pump some gas. Started it up, drove and coasted. Did it all over and over again the the whole way. Through town, I was stopped some time blocking traffic. Chris.
__________________
1998 Buick Park Avenue (best car GM ever made) Buick Lesabre 1997, 191,000 152,000 - Motor R.I.P. Used 111,000 Motor, All New Gaskets Used 102,000 Transmission - SOLD New Balance 662 Trek 8000
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07-29-2009, 03:05 PM
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#8 | ||
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AF Enthusiast
Join Date: Aug 2004
Location: Space Coast, Florida
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Re: fuel pump pressure specfications
Quote:
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