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Fuel problem


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mosey
New User

May 29, 2011, 4:34 PM

Post #1 of 9 (1586 views)
Fuel problem Sign In

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


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 29, 2011, 4:46 PM

Post #2 of 9 (1581 views)
Re: Fuel problem Sign In

You need to use a fuel pressure gauge to find out for sure what is going on with the fuel.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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.



mosey
New User

May 29, 2011, 4:53 PM

Post #3 of 9 (1574 views)
Re: Fuel problem Sign In

The Mech. who replaced the fuel pump said it was a little low, but didn't seem too concerned.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 29, 2011, 4:55 PM

Post #4 of 9 (1575 views)
Re: Fuel problem Sign In

If he didn't test it during the failure, the test doesn't mean anything.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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.



mosey
New User

May 29, 2011, 5:16 PM

Post #5 of 9 (1570 views)
Re: Fuel problem Sign In

OK. Lets assume the new pump is not the problem. What other problems will a pressure test indicate?


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 29, 2011, 5:17 PM

Post #6 of 9 (1569 views)
Re: Fuel problem Sign In

We're not assuming anything. Check the fuel pressure and we'll see if you have a fuel problem.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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.



Mr.scotty
Enthusiast
Mr.scotty profile image

May 29, 2011, 8:49 PM

Post #7 of 9 (1557 views)
Re: Fuel problem Sign In

Just because it's a new pump doesn't mean anything..
Do the fuel pressure test as you were told, then post the readings.
--------------------------------------------------------

Your only as good as your tools!


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 30, 2011, 4:56 AM

Post #8 of 9 (1551 views)
Re: Fuel problem Sign In


Quote
Just because it's a new pump doesn't mean anything..
Do the fuel pressure test as you were told, then post the readings.


I don't need any help



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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.



Mr.scotty
Enthusiast
Mr.scotty profile image

May 30, 2011, 8:14 AM

Post #9 of 9 (1545 views)
Re: Fuel problem Sign In

Oop's sorry.
--------------------------------------------------------

Your only as good as your tools!






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