I possibly should have just continued one of the old threads with this, but ferreting this out for the Scangauge does sort of represent a new phase of reverse-engineering. Please see http://www.cleanmpg.com/forums/showthread.php?t=16129 for details on how to read fuel injector open-time, why it's useful, and links to the deep-tech background for those who choose to chase them. . _H*
