TwinTurbo.NET: Nissan 300ZX forum - Running very rich possible o2 problem?
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Subject Running very rich possible o2 problem?
     
Posted by FL300zx on December 30, 2015 at 7:51 AM
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Message I installed a n/a motor a while back and since then it has been running very rich. soon as I start it up I smell gas and I don't see any leaks and car runs perfect no misfire or anything. It has a used fuel pump. I haven't checked fuel pressure yet. Also on my wiring harness side the passenger side o2 connector was ripped off so I wired in a new connector but I don't know if I wired it correct. I am thinking maybe that is the problem? Anyone have a diagram for the color wires and what wires it goes to on the passenger side connector? Also is there a way to check the fuel pressure regulator and the fuel damper? Could those cause The car to run rich and is so how can I test them. Any help would be great thanks

     
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