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Subject I just installed a set of new Nismo injetctors from
     
Posted by JMartz on July 24, 2011 at 5:24 PM
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In Reply To Injectors STILL leaking after 2 plenum pulls!!! posted by Michaels90na+1 on July 24, 2011 at 12:23 PM
     
Message Z1. I did notice some ridging on the contact surface of the o-rings that were supplied with the kit, as if they had been made in an offset 2-part mold. One was so bad I had to carefully cut off the excess. That being said, the injectors have been operating in my engine about a month w/o any trouble.

Before you go and remove the plenum again, do test if the fuel pressure in the rail, to see if it holds. Best way is to put a mechanical gauge in tee, or if you are so inclined, a permanent transucer to drive an inside-the-car gauge. Alternaively, when turning the key to the on position, you should hear the fuel pump go on, and STOP. If a leak exists it may run again, and again, as the pressure bleeds off.

     
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