TwinTurbo.NET: Nissan 300ZX forum - Check for spark at idle and injector pulse
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Subject Check for spark at idle and injector pulse
     
Posted by Joe@ZSpeedperformance on May 16, 2011 at 8:31 PM
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In Reply To Also....i highly doubt its leaking posted by BOOZTD 3 on May 16, 2011 at 01:44 PM
     
Message As stated below I have also seen bad circuits in both the injector and coil circuit out of the ECM. Very weak spark on #5 and #6 or either or due to a bad ECM.
I have seen one with a bad injector circuit, You can check this with a noid light.

Watch the spark with a loose coil pack/plug while it is idling and make sure it is not a weak orange spark.



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