‘Go to AutoZone and they can guess’: Driver slams mechanic’s $140 charge just to hook car up to diagnostic machine. Is that a fair price?

Why are mechanics so expensive? Even when you think you need a routine service that should cost practically nothing, the price always seems to be more than expected.

At least that's what happened to TikToker Sam @boogerbrainer thought after she went to a mechanic for an issue and ended up being charged $140 to use a diagnostic machine. The video was viewed over 86,000 times and garnered over 887 likes as of publication.

Why is the car diagnostic machine so expensive?

In her 8-second video...