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QUOTE (pitcelica @ Feb 18, 2014 - 9:41 PM)

>The 4th gen injectors are high impedance, 3rd gen are low impedance. If you want to use the 4th gen injectors and 3rd gen ECU, simply bypass the injector resistor box. I would use the 4th gen injectors and fuel rail.
For the IACV, if you use the 3rd gen ECU and the 4th gen IACV, you will need to send the pin RSO to ground, not to the RSO pin of the ECU as the 4th gen IACV do not act the same as the 3rd gen one. Maybe you can swap the 4th gen IACV for the 3rd gen one, don't know.
Sam
Could you give me more detail on using the 4th gen IACV? I get the part about changing the RSO pin to ground, but what do you do with the wire left over from the ECU? Do you ground that too?