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mosey
New User
May 29, 2011, 4:34 PM
Post #1 of 9
(2340 views)
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I have a '95 Chev. PU with a 350. Recently I started to experience problems starting it when the fuel level was low, around a 1/4 tank. I had the fuel pump replaced and the problem went away for a while. Now, if the vehicle sits for a day, it wont start. Previously when I encountered this, I'd fill the tank and be on my way. Now the tank is full and it still won't start. It seems as if when the PU sits for 24hrs. the fuel drains away. I have also cycled the ignition to build up pressure in the fuel pump, but that doesn't work now either.
At a loss. Thanks for any advise.
Mosey
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Hammer Time
Ultimate Carjunky
/ Moderator
May 29, 2011, 4:46 PM
Post #2 of 9
(2335 views)
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You need to use a fuel pressure gauge to find out for sure what is going on with the fuel.
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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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mosey
New User
May 29, 2011, 4:53 PM
Post #3 of 9
(2328 views)
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The Mech. who replaced the fuel pump said it was a little low, but didn't seem too concerned.
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Hammer Time
Ultimate Carjunky
/ Moderator
May 29, 2011, 4:55 PM
Post #4 of 9
(2329 views)
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If he didn't test it during the failure, the test doesn't mean anything.
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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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mosey
New User
May 29, 2011, 5:16 PM
Post #5 of 9
(2324 views)
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OK. Lets assume the new pump is not the problem. What other problems will a pressure test indicate?
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Hammer Time
Ultimate Carjunky
/ Moderator
May 29, 2011, 5:17 PM
Post #6 of 9
(2323 views)
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We're not assuming anything. Check the fuel pressure and we'll see if you have a fuel problem.
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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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Mr.scotty
Enthusiast
May 29, 2011, 8:49 PM
Post #7 of 9
(2311 views)
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Just because it's a new pump doesn't mean anything..
Do the fuel pressure test as you were told, then post the readings.
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Your only as good as your tools!
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Mr.scotty
Enthusiast
May 30, 2011, 8:14 AM
Post #9 of 9
(2299 views)
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Oop's sorry.
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Your only as good as your tools!
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