This seemingly-impolite question can defuse tense situations in the shop or auto parts store.

Diagnosing a catalytic converter isn’t always the most straightforward process simply because it’s so far downstream from other parts that affect its operation. You might watch this video and say, “Of course!”, but not every technician has been given the proper education on what else a converter efficiency code just might mean. Take a look as Nick and Lemmy share some of their tips for hashing out what might be causing that P0420.
There’s lot of advice out there about how to choose a reliable mechanic. We asked mechanics what they would advise.
Watch as Lemmy demonstrates the fastest, easiest way to remove a Woodruff key using a common tool that might surprise you. Give it a try next time!
Life can't all be brake jobs and pre-delivery inspections. Beating time is the name of the game, but it doesn't always work out. Watch as a few Dorman mechanics talk about the jobs that make more sweat than bread in this video.
The Proving Grounds crew is back again for a new grudge match in the garage called The Mystery Box.
Learn to ID Miatas generation by generation like a pro (and from a pro!)
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