| Just installed a new EFI harness and some Used Nismo 555 injector on my brothers car which i got off a TT.net member and the #1 cylinder is not firing. I ohm that injector and got 11.8 whiich is good. I switched the coil pack and still that cylinder is not firing. I checked both coil pack and injector connectors with a test light and got power. Is there anyway of checking the injector to see if its flowing right? I was wondering if maybe I squeezed the bottom o ring when I installed it, even thought I did use petroleum jelly and they went in pretty smooth. Any suggestions?
I was also wonder if I could install just one OEM 370 cc injector just to see if it was a flow issue since I don't have an extra 555.
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