Fuel pressure issue

So I have been noticing fuel pressure issue ...start the car from cold start fuel pressure is set at 48psi...volt gauge reading just past 14 .....drive for around 20 mins

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Fuel pressure issue

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Hello Unregistered

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Jinxx Fuel pressure issue 08-02-2018, 01:33 PM

bcfromfl I can't comment on your fuel... 08-02-2018, 06:31 PM

turtle64b The voltage seems normal. As... 08-02-2018, 09:11 PM

Jinxx With my other nismo I had a... 08-03-2018, 07:05 AM

turtle64b The pressure should be set... 08-03-2018, 11:15 AM

Jinxx I know how to set the... 08-03-2018, 02:16 PM

shadow85 Mine was a regulator issue,... 08-03-2018, 07:52 AM

Jinxx Well I been through it with a... 08-03-2018, 08:47 PM

Jinxx Well I thought it was normal... 08-04-2018, 02:31 PM

shadow85 After the fuel is warm, the... 08-05-2018, 03:43 AM

jchammond I’m sure you have a good... 08-05-2018, 03:56 AM

Jinxx I have the cjm return kit and... 08-05-2018, 02:19 PM

7ssain Are you reading off a gauge... 08-05-2018, 09:41 AM

Jinxx I am reading off the gauge in... 08-05-2018, 02:22 PM

phunk Its most likely engine bay... 08-06-2018, 05:19 PM

phunk Or if you dont have a vacuum... 08-06-2018, 05:28 PM

Jinxx Pressure is set to 50 without... 08-06-2018, 07:52 PM

Jinxx How fast should fuel pressure... 08-11-2018, 07:50 PM

phunk There are no intentions for... 08-11-2018, 08:31 PM

Jinxx Ok just checking all angles... 08-11-2018, 08:50 PM

Boosted Performance So I have been looking at my... 08-12-2018, 09:17 PM

Jinxx That’s strange ...mine is the... 08-12-2018, 10:08 PM

Jinxx I did find this info which... 08-13-2018, 02:02 AM

phunk That what the first thing I... 08-13-2018, 11:26 AM

Jinxx I was comparing the pressure... 08-13-2018, 01:06 PM

Jinxx UPDATE ..the surging I was... 09-12-2019, 09:34 PM

soill370z Ever find anything else about... 09-10-2019, 12:49 PM

Jinxx I chalked it it up to heat... 09-11-2019, 08:12 PM

08-02-2018, 01:33 PM	#1 (permalink)
Jinxx Track Member Join Date: Dec 2015 Location: South Carolina Posts: 699 Drives: 2017 nismo 370z Rep Power: 3376	Fuel pressure issue So I have been noticing fuel pressure issue ...start the car from cold start fuel pressure is set at 48psi...volt gauge reading just past 14 .....drive for around 20 mins notice the volt gauge comes down to 14 maybe just under .....check pressure again it has dropped to 40 psi.....this has been a consistent drop of around 5 psi from start up to driving for at least 20mins.......I am running 340aerometer pump with 750cc injectors I also have the voltage stabilizer kit installed not sure where to look now

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