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1994 Nissan 300ZX 94 300ZX no injector Pulse

Tiny
ANTHONYBECKHAM
  • MEMBER
  • 1994 NISSAN 300ZX
  • 3.0L
  • V6
  • RWD
  • MANUAL
  • 170,000 MILES
My 94 300zx is running on 5 cylinders. I already checked the compression, which was good, replaced spark plugs, put a known working coil pack in for that cylinder, and spliced in a new plug to my injector. Leaving the only possible explanation to be my injector.
But then I used a noid light to my injector and it isn't pulsing, although I tested the wires and they are for sure getting power. So idk what to do? Was going to replace injector but now that I know that it isn't properly pulsing I'm not sure?
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Saturday, April 26th, 2014 AT 12:48 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The computer might not be grounding that particular cylinder
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Saturday, April 26th, 2014 AT 1:26 PM
Tiny
ANTHONYBECKHAM
  • MEMBER
  • 2 POSTS
Meaning the connection at the ecu? The main grounds on the harness seem snug, and nothing else seems to be acting funny.
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Sunday, April 27th, 2014 AT 12:23 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the ground driver circuit in the computer on that cylinder-
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Sunday, April 27th, 2014 AT 1:05 PM

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