I actually like some of mac's diognostic testers better then snap-ons....but overall snap -on is the best by far..and yeah IR air tools rule...
Sometimes. I've found that the old red brick is by far the most accurate one of all when compared to the big three. Unfortunately, it doesn't service newer stuff plus these days, you need a minimum of 3 diagnostic tools to verify which one is lying to you so you don't spend 2 days tracing a problem that doesn't exist. Unreal world.
To be honest, proprietary scan-tools is by far the best. you just have to choose which one you need the most. Matco and Mac's scan tools are just OTC's.
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