Fuel check valve and the 3port fuel pump |
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Fuel check valve and the 3port fuel pump |
brant |
Sep 10 2016, 07:54 AM
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#1
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914 Wizard Group: Members Posts: 11,639 Joined: 30-December 02 From: Colorado Member No.: 47 Region Association: Rocky Mountains |
I think there must be a check valve built into the 3 port djet pump
I believe mine is not working (Hard starting symptoms) Has anyone pulled theirs apart? Pictures or a thread? I'm also wondering if adding an in line check valve would work? |
Elliot Cannon |
Sep 12 2016, 11:13 AM
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#2
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914 Guru Group: Retired Members Posts: 8,487 Joined: 29-December 06 From: Paso Robles Ca. (Central coast) Member No.: 7,407 Region Association: None |
I had an issue like that with a '79 911. It would crank for some time before starting. My Porsche guy said it was a check valve that maintains pressure in the system when the engine isn't running. When the pressure bleeds down it take some cranking so the pump can get the pressure back up. Don't you carry a couple spare fuel pumps in your trunk? (IMG:style_emoticons/default/biggrin.gif)
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