Bobby Kahler Posted September 26, 2012 Share #1 Posted September 26, 2012 can anyone tell me the required fuel psi on a 77 280z??? Link to comment Share on other sites More sharing options...
Pomorza Posted September 26, 2012 Share #2 Posted September 26, 2012 It should be between 35-40 psi when running (that's where mine sits at). The FSM states 36.3 psi at the manifold exactly. Link to comment Share on other sites More sharing options...
Bobby Kahler Posted September 26, 2012 Author Share #3 Posted September 26, 2012 do u know where the best way to test it is at? i taped int tje line right after the fuel filter just because i dident see any other place that would be easy, i havent tried it yet tho i guess my battery is dead so i gota wait for it to charge up Link to comment Share on other sites More sharing options...
Zed Head Posted September 27, 2012 Share #4 Posted September 27, 2012 After the fuel filter, before the fuel rail, is the right spot. Pull the small wire from the starter, and turn the key to Start to run the fuel pump, after you've charged the battery. Link to comment Share on other sites More sharing options...
Walter Moore Posted September 28, 2012 Share #5 Posted September 28, 2012 36.3 psi = 250 kPa so precision isn't a big deal here... Link to comment Share on other sites More sharing options...
Bobby Kahler Posted October 2, 2012 Author Share #6 Posted October 2, 2012 ok im pretty sure when i checked it there was about 39 psi any other reasons why the car wont stay running? Link to comment Share on other sites More sharing options...
Parman
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