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syc

  1. General 6.0L Discussion
    Been learning so much here from everyone else's posts, but hit something that I need help with. There are 4 "versions" of the Scangauge SYC code. They all have the same TXD, RXF and MTH, only the RXD is different. Most lists on the site say to use RXD 3000 or 3001 as an alternate. Some list...
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