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93 Suburban 5.7L fuel pump or relay
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donaldd34
New User
Aug 8, 2006, 6:29 AM
Post #1 of 2
(3654 views)
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93 Suburban 5.7L fuel pump or relay
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My 1993 Suburban will not start, same trouble as last year when I replaced the fuel pump and sender assembly. If I spray in some starter fluid it runs for a few seconds. I have checked the fuse for the fuel pump and its fine. I can feel the fuel pump relay unclick after a few seconds of the key being on.
Other ideas other than fuel pump went bad after less than a year? I am looking for a red test wire I can give 12V to see if the pump runs.
How does one take apart the fuel pump relay, it seems to have a little gray locking tab that slides back and forth slightly, but I can not see how to get the relay apart.
Other ideas?
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Aug 8, 2006, 8:36 AM
Post #2 of 2
(3646 views)
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Re: 93 Suburban 5.7L fuel pump or relay
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The new pump could be bad . So could the relay. I've taken them apart but they generally aren't that expensive. Tap on it and see if it behaves which would be a good clue. If the same as the A/C relay swap them for a test, T
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