Review A fascinating, informative and essential for those who really want to solve or at least understand diagnostic system problems, within their car. - --TKC Mag, Jan/Feb 2012Appears in Top 21 Reading Materials for the Auto Enthusiast. - --Auto Enthusiast, January 2013 About the Author Keith McCord, who is located in the St. Louis area, is one of top OBD II technicians and EFI tuners in the country. He is president of McCord Consulting Group in St. Louis, Missouri. He designs products, parts, and CNC code and process improvements for various OEM and aftermarket companies. Keith also writes custom ECMs for GM and Ford vehicles. He lives in Florissant, Missouri.
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