TwinTurbo.NET: Nissan 300ZX forum - Re: Start-up issue
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Subject Re: Start-up issue
     
Posted by ZTom on July 25, 2014 at 7:31 AM
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In Reply To Start-up issue posted by 94300zx on July 24, 2014 at 07:13 AM
     
Message Mine is doing the same. Give it a little gas and it idle fine. You need to see if the fuel pump hold pressure by hooking up a pressure gauge to the fuel hose. The fuel pump have a check vale that do not allow fuel to flow back into the fuel tank. So that way the fuel still in the lines. Hook the gauge to the hose after the fuel filter. Crank the car over so you get fuel pressure then let it sit, record the pressure and let it sit for awhile, overnight would be good. Recheck the pressure, if it loses pressure then that mean the check valve in the fuel pump is not holding pressure and you should replace the pump. Another issue could be air regulator and air idle control valve.


     
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