This group is for mechanics, workshop owners, and serious DIYers who want to get better at diagnostics — together. No ego. No parts swapping. No guessing. We’re here to share real fault codes, real testing, and real-world thinking from the workshop and the garage. We’re kicking things off with a weekly Diagnostic Challenge — a place to break down scenarios, compare process, and sharpen our method. There’s no “perfect” answer. Only better thinking. Before the first challenge drops, comment below: - Tech / Owner / DIY - What you want to improve most in diagnostics Let’s build something solid