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Subject 1990 300zx NO injector pulse
     
Posted by Z89 on June 30, 2011 at 10:29 PM
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Message I recently changed the lower injector seals on my 1990 nissan 300zx NA. During the process, everything down to the fuel rail was removed(plenum,wiring, everything!) Once I had put everything back together, The car would not start. I replaced the fuel pump, all fuel line, all vacuum line, all injector plugs, and still no start. It will turn over all day long but wont start. I got a test lamp and checked the injector plugs..I have a constant power but no Pulse. today I took a coke bottle and put gas in it and punched a hole in the top. I squirted some into the intake and had a friend crank it up. It started right up! I was able to keep it running as long as I wanted to by keeping a continuous stream of fuel going into the intake. It ran very smooth, no vibration, no knock, no nothing except sweet smooth running. once I would stop spraying fuel, the car would die. I put my AC relay into the EFI slot and it made no difference so I know the relay is good. All the fuses pertaining to the EFI system are good. WHAT IS WRONG WITH MY CAR?? Please help!

     
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