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4speed
New User
Jul 22, 2013, 10:07 AM
Post #1 of 9
(1888 views)
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97 Suburban fuel issue
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Hello all,
I have a 1997 Chevrolet Suburban with the 5.7 Vortec. It is a 2wd truck with 80,000 miles. Yesterday, the engine died while driving and I had to get it towed home because it wouldn't start. I thought it was the fuel pump because of the way it shut down and wouldn't restart. Once at home, I could hear the pump come on in the tank when I turned the ignition. I confirmed that fuel is getting to the intake by checking the Schrader valve in the fuel line. I then shot some starting fluid in the throttle body and the truck cranked and ran smoothly until it was all burned off. I am a "shade-tree hobbyist" at best when it comes to auto repair, and the addition of EFI only adds to my confusion here. Is this a simple fix? What should my next step be?
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Hammer Time
Ultimate Carjunky
/ Moderator
Jul 22, 2013, 11:52 AM
Post #2 of 9
(1845 views)
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Re: 97 Suburban fuel issue
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You need to know what the exact fuel pressure is.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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4speed
New User
Jul 22, 2013, 1:57 PM
Post #3 of 9
(1835 views)
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Re: 97 Suburban fuel issue
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Thanks, Hammer Time.
What is the required fuel pressure? I have been unable to find it online. I'm gonna pick up a gauge on the way home and check it.
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Hammer Time
Ultimate Carjunky
/ Moderator
Jul 22, 2013, 2:27 PM
Post #4 of 9
(1834 views)
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Re: 97 Suburban fuel issue
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This spec is critical. It will not run under 55PSI
Central SFI 60-66 psi
SFI 56-62 psi
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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4speed
New User
Jul 23, 2013, 11:59 AM
Post #5 of 9
(1807 views)
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Re: 97 Suburban fuel issue
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Well, I checked it and it makes a wopping 15 psi.
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Hammer Time
Ultimate Carjunky
/ Moderator
Jul 23, 2013, 2:50 PM
Post #6 of 9
(1800 views)
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Re: 97 Suburban fuel issue
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BINGO!
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Discretesignals
Ultimate Carjunky
/ Moderator
Jul 23, 2013, 3:35 PM
Post #7 of 9
(1797 views)
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Re: 97 Suburban fuel issue
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There's enough pressure there for a lawn mower.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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4speed
New User
Jul 25, 2013, 8:33 AM
Post #8 of 9
(1764 views)
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Re: 97 Suburban fuel issue
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Thank you for your guidance, Hammer Time. I installed a new fuel pump last night and I am mobile again.
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Hammer Time
Ultimate Carjunky
/ Moderator
Jul 25, 2013, 12:17 PM
Post #9 of 9
(1756 views)
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Re: 97 Suburban fuel issue
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Glad to hear it.
Closing this question now to keep the spammers out. Can be reopened upon request to any Mod.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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