check engine light on 2005 Chevrolet Equinox

I am attempting to find a shop that honors a warranty from a company called TIER ONE WARRANTY My check engine light is on and I believe the sensors may be malfunctioning.

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1 answer 1 comment
Here's their site http://www.tieronewarranty.com/automotive.html.htm Maybe give them a call and ask for the shop directory in your area
Thanks for the response. I tried that and they say they do not have a directory of shops that honor their warranty. Have you any other suggestions