 Fuel check valve and the 3port fuel pump |
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| brant |
 Sep 10 2016, 07:54 AM
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914 Wizard  Group: Members Posts: 11,618 Joined: 30-December 02 From: Colorado Member No.: 47 Region Association: Rocky Mountains 
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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? |
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Posts in this topic
brant Fuel check valve and the 3port fuel pump Sep 10 2016, 07:54 AM
sixnotfour its a pressure bypass , not a check valve
Remembe... Sep 10 2016, 08:03 AM brant Ok it's just a bypass
So has anyone ever adde... Sep 10 2016, 08:48 AM
sixnotfour
Ok it's just a bypass
So has anyone ever add... Sep 10 2016, 08:56 AM Dave_Darling The pump itself acts as a check valve, at least to... Sep 10 2016, 10:49 AM brant
The pump itself acts as a check valve, at least t... Sep 12 2016, 10:22 AM John My suggestion would be to recheck the lines under ... Sep 12 2016, 11:08 AM Eric_Shea Time for one of these:
http://www.914world.com/bb... Sep 12 2016, 11:12 AM Elliot Cannon I had an issue like that with a '79 911. It w... Sep 12 2016, 11:13 AM brant I can easily pull the pump this weekend.
I added a... Sep 12 2016, 11:21 AM John From what I recall (this is from memory) on the 3 ... Sep 12 2016, 07:30 PM Dave_Darling Definitely check the pressure. You're only sp... Sep 12 2016, 08:35 PM rhodyguy Have you looked down the fill opening and glaced a... Sep 13 2016, 12:51 PM brant
Have you looked down the fill opening and glaced ... Sep 13 2016, 01:02 PM John Just for giggles, you might want to check pressure... Sep 13 2016, 07:14 PM sixnotfour put a 2 port pump in,, problem gone..the roller va... Sep 13 2016, 08:25 PM brant
put a 2 port pump in,, problem gone..the roller v... Sep 13 2016, 09:02 PM sixnotfour
put a 2 port pump in,, problem gone..the roller ... Sep 13 2016, 09:15 PM brant Question
I know the injectors fire in pairs
Whe... Sep 19 2016, 07:50 PM brant So Brad Anders website indicates their is a check ... Sep 22 2016, 11:40 AM BeatNavy
◦Failed Check Valve: The check valve keeps the ... Sep 22 2016, 01:22 PM 87m491 I don't know D-jet at all compared to my CIS c... Sep 22 2016, 01:51 PM brant
◦Failed Check Valve: The check valve keeps the... Sep 22 2016, 04:03 PM BeatNavy
That sounds like exactly the same symptoms
I too ... Sep 22 2016, 06:09 PM Dave_Darling
I too would love to know if a stock djet system m... Sep 23 2016, 09:56 AM brant
I too would love to know if a stock djet system ... Sep 23 2016, 11:47 AM BeatNavy
How do test the pressure regulator?
It sits at 29... Sep 23 2016, 12:17 PM Dave_Darling I think the references to "check valve" ... Sep 23 2016, 04:27 PM brant
I think the references to "check valve... Sep 23 2016, 04:40 PM brant I fixed it
Will keep testing after it cools down ... Sep 23 2016, 07:32 PM BeatNavy Did you have to break open the pump to get to that... Sep 24 2016, 05:56 AM brant Some details
I may get a better picture when I ge... Sep 25 2016, 09:22 AM  |
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