What I am saying is that the order of the wires in the plug may be different, and that when it should be increasing idle it may be decreasing idle. I really would try to get an IACV for a GEMS rather than try using a GM one.The IACV I have right now is indeed a GM unit that fits the GEMS perfectly, except for the connector beeing at a different angle. When funds allow I will try the genuine article.
In a 14CUX my guess is that the IACV closes at 1500RPM, as this is when injector cutoff on closed throttle occurs. I don't really know. As for GEMS I don't know. You could ask the GEMS people in UK if they are still around. In a 14CUX the IACV also opens and closes on shutdown to clean it.
Regards Philip AI
just had a google and it suggests tat GEMS is Lucas/Sagem.
Have you read this LUCAS GEMS (SM001)
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