Auto Nation ford in Scottsdale and Sanderson ford, Glendale, have certified GT techs .
Have had service at both,no problems at all. Also, have great pros that can come to Phx.
Rich who goes by GT Tech on this forum can also help you with service depending on what you need done. He lives in Kingman but comes down to Phx on a regular basis. PM me if you want his number.