TwinTurbo.NET: Nissan 300ZX forum - Weak Spark
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Subject Weak Spark
     
Posted by Glooj on May 04, 2013 at 4:17 PM
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Message Getting very weak, barely visible spark with no audible spark jumping click when I ground a plug on the plenum/block on my '91 TT.

Here is a rundown of the state of the Z:
-Series II recall PTU
-Eliminated PTU sub-harness (new PTU connectors hardwired to harness)
-CAS and connections are good (when turned by hand I can hear injectors click and spray)
-Brand new 740cc Nismo injectors
-All coil packs ohm at 0.7-0.9
-Power at coil pack connector (ground and constant power circuit)

Basically all I can figure it could be is a bad ground or failing PTU.

Anyone else have an idea? Thanks

     
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