Originally Posted by SouthArk370Z

If the Nissan engineers wanted the engine tested under load, they would have said so. Procedure says to hook the harnesses back up, start the engine, check idle V, rev to 4K, check V - no mention of loading the engine.


Please don't. Everything else in your post made very good sense. Going by the many "odd" problems OP is having with his Z, it looks like he needs all the help he can get.