TwinTurbo.NET: Nissan 300ZX forum - Sounds to me like a leaking injector oring.
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Subject Sounds to me like a leaking injector oring.
     
Posted by Ash's Z on July 04, 2008 at 5:44 AM
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In Reply To Re : Running rich posted by zx299 on July 04, 2008 at 05:31 AM
     
Message I would ask them to check the injector impedance first.

Request that while the injectors are disconnected, remove the plugs and turn the engine over to check for fuel mist.

They will find at least one cylinder ejecting fuel mist during this test. Have them pull the plenum, remove both fuel rails and ALL of the injectors. Request that a quality o-ring lubricant such as Parker's be used to reinstall the injectors followed by a pressure test of the fuel rails w/injectors in them to ensure a leak-free assembly.




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