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:Injector? They are designed so the fuel cools the injector which means they are susceptible to heat. My guess, the injector starts failing at operating temps. I know you have done a lot of troubleshooting and if you have truly determined that there is a lack of spark, then the injector could not be the cause, but you cannot rewire the PTU. Firing order issues and all. Dont want #1 firing when its on an exhaust stroke, burn a valve. Anyway, if it were me, I think I would swap a PTU (cause its easy) then the injector.
:JYeah, I figured it's probably not the injector with the ohm test and screwdriver clicking test. Anyway, it seems to me the PTU should just be a simple solid state package that conditions the signal and/or protect the coil/ECU. I don't see any reason why it should be anything more complex than that as there is already the ECU with all the smarts. Since the impedence for the 6 pins are pretty much identical, I thought I could try swapping pins. But without knowing exactly what the PTU does, I suppose it is not a good idea. If it turns out to be the PTU, I would definitely take apart the bad one and see what in the world is inside that would cost $180! Maybe it is really simple and totally fixable so that would be useful in 2019 when everyone moans why Nissan doesn't produce parts for the car anymore. :-) Thanks for the input. Cheers,
e.
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23:37:43 03/16/05
