It’s been asked of every new mechanic for more than a century. Does it matter in 2025?
What happens when chrome goes too far?
Glove testing is important; don’t skip it.
This one part became the symbol of the Edsel’s failure.
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Auto care news and advice you can use.
We don’t think much about spark plugs unless we think they’re the cause of a misfire concern, do we?
All four cylinders are below specification by about the same amount. After performing a wet compression test, values remained unchanged. What could cause this condition?
Many high-end scan tools come with a capable digital storage oscilloscope. Time to put that tool to work.
Did you know that a modern fuel injection system can fire off multiple sprays in the same time it takes for a spark to jump across a plug?
And the most misdiagnosed.
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Auto care news and advice you can use.
You probably see them every day, and that’s by design.
Use it or lose it. Looking for an easy way to win over your customers that they’ll enjoy every time they drive? Look at their vehicles from a hypermiler’s perspective.
Pete Meier explains how a dial indicator is necessary for a true wear check.
Four proven ways to run a tighter ship at your shop.
Technician A is diagnosing a misfire. He states that a misfire is caused by a fault in the ignition system and that new plugs and coils will repair the problem. Technician B says that a misfire is detected when the ECM detects a variation in crankshaft speed.
Is this the only car part named after an actress?
Learn why it’s not a bad idea to charge a little more for the hassle.
A radio show that, hopefully, will live on for years to come.