Originally Posted by
LSVolvo940
I do not have a problem with the cable, it only has to do with the read/write interface. this is switchable but I am not running as a constant. My write time is about 2-3 minutes with O/S change and is about 30 seconds with Cal only. I tracked down a vacuum leak and realized a certain problem. The car will idle like a champ but once it warms up the rpms race to about 2000. The IAT is routed incorrectly so I will have to address this issue. If I hook those two grounds together it will fry the pcm for sure. LOL i need to start another thread.
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