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Unread 08-10-2011, 05:29 AM   #1
leadsled01
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fuel filter with 3 hoses ???

My 95 YJ has what appears to be a fuel filter/return line on top of the engine just before the carburator. What keeps the gas from draining back into the tank when its not running. I'm having fuel delivery problems and still trying to figure out my system. The jeep has a 360 V8 mechanical fuel pump.

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Unread 08-10-2011, 05:40 AM   #2
Louie4
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Have you checked to see that you're getting good flow from the fuel pump? Is there any reason why the mechanical pump was used over the stock electric one? Just curious.

It shouldn't matter if the gas is leaving some of the line since the motor will prime it when you turn it over.
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Unread 08-10-2011, 07:18 AM   #3
leadsled01
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Quote:
Originally Posted by Louie4 View Post
Have you checked to see that you're getting good flow from the fuel pump? Is there any reason why the mechanical pump was used over the stock electric one? Just curious.

It shouldn't matter if the gas is leaving some of the line since the motor will prime it when you turn it over.
AMC 360 have mechanical pumps from factory. Good flow from pump. Is there some sort of a safety valve at the tank?
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Unread 08-10-2011, 02:59 PM   #4
Louie4
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Quote:
Originally Posted by leadsled01 View Post
AMC 360 have mechanical pumps from factory. Good flow from pump. Is there some sort of a safety valve at the tank?
Yep I've fiddled with a few old AMC's but your '95 YJ came with an electric one from the factory. Did you remove it from the tank?
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Unread 08-11-2011, 05:56 AM   #5
leadsled01
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Quote:
Originally Posted by Louie4 View Post
Yep I've fiddled with a few old AMC's but your '95 YJ came with an electric one from the factory. Did you remove it from the tank?
Yes.
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Unread 08-11-2011, 06:33 AM   #6
Louie4
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Quote:
Originally Posted by leadsled01 View Post
Yes.
Are you sure that it's not a carburetor issue? If you're getting good flow from the pump to the carb then it might be worth looking at. It shouldn't matter about gas draining back to the tank because the bowl in the carburetor should fill up.
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Unread 08-19-2011, 09:23 AM   #7
leadsled01
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Electric fuel pump solved my problems. Something internal on the 360 is not operating the mechanical fuel pump enough to keep the bowl full of gas. Installed a holley electric pump and all is good now.
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