By David Bry
Editor’s note: This article uses real-life diagnostic scenarios with fictitious characters and locations to illustrate real-world diagnostic techniques.
The temperatures were ramping up, and Kyle had seen the number of heat-related diagnostic cases at Kempt Garage increase commensurately. A local mom and high school teacher, Heidi Hagan, had dropped off her 2016 Chevy Truck Equinox SUV earlier that day, for example, with a complaint of “air conditioning not working.”
Equipped with the four-cylinder 2.4-liter Ecotec engine and having amassed 91,000 miles, the Chevy had been reasonably reliable until now.…
