 New FI fuel pump, Pressure / Updated.....but |
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| jim_hoyland |
 Mar 18 2019, 12:07 PM
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Get that VIN ?  Group: Members Posts: 9,314 Joined: 1-May 03 From: Sunset Beach, CA Member No.: 643 Region Association: Southern California 
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My previous Bosch FI pump would always maintain pressure after the engine is shut off; there is a fuel pressure gauge in line.
I just installed a new Bosch pump; now the pressure falls back to zero after turning the ignition off Should the circuit maintainin pressure ? |
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Posts in this topic
jim_hoyland New FI fuel pump Mar 18 2019, 12:07 PM
914Sixer Did you install the check valve? Some pumps may n... Mar 18 2019, 12:21 PM Dave_Darling The rollers in the original pump serve as a check ... Mar 18 2019, 02:26 PM jim_hoyland No check valve. Only replaced the pump with the sa... Mar 18 2019, 03:00 PM dr914@autoatlanta.com What year is your car, and what pump Jim?
My pr... Mar 18 2019, 04:09 PM
jim_hoyland
What year is your car, and what pump Jim?
My p... Mar 18 2019, 05:09 PM dr914@autoatlanta.com should hold some residual pressure, Jim, are you p... Mar 19 2019, 10:24 AM jim_hoyland No leaks; the previous pump would slowly dissipate... Mar 19 2019, 11:32 AM dr914@autoatlanta.com so I would then change the pump.
No leaks; the ... Mar 19 2019, 11:52 AM Dave_Darling Yes, you should absolutely have residual pressure ... Mar 19 2019, 11:44 AM jim_hoyland
Yes, you should absolutely have residual pressure... Mar 19 2019, 05:04 PM Mark Henry In my bug I use a Ljet FP and have a big pressure ... Mar 19 2019, 12:14 PM jim_hoyland Just got off the phone with a very knowledgeable B... Mar 19 2019, 03:29 PM 914Sixer 924,944 and lots of Audis, VW have a check valve y... Mar 19 2019, 05:45 PM adolimpio I had a similar problem and isolated the culprit t... Mar 19 2019, 08:04 PM jim_hoyland
I had a similar problem and isolated the culprit ... Mar 19 2019, 08:31 PM adolimpio
I had a similar problem and isolated the culprit... Mar 21 2019, 06:13 AM Olympic 914 using a Bosch 044 pump, it came with a check valve... Mar 22 2019, 06:54 AM  |
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