Your multimeter is a versatile tool. But for certain diagnostics, you need an oscilloscope to get a closer look at a vehicle’s electrical systems.
What an oscilloscope shows that your DVOM can’t (VIDEO)
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HOT OFF THE PRESS
Lash is Cash
A tappy valve is a happy valve!
Clean It or Crack It
Why clearing bolt holes of contaminants matters.
Set the Toe and Go!
The finer points of performing coarse alignments.
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Shop Press is the news and idea hub for everything related to working on cars and trucks, focusing on repair, technology, and wrenching lifestyle. With interesting stories from around the world, features on creative people and solutions, and all kinds of other stuff that’ll make you use your mind and your hands.
SHOP STUFF
Auto care news and advice you can use.
EDC: Mechanic Edition
Pocket check!
Is It Ever Safe to Reuse Torque-to-Yield (TTY) Fasteners? (VIDEO)
Pete Meier explains why these single-use bolts should always be replaced for safety and proper function.
Do You Survey Your Customers, and How?
Customer satisfaction surveys should be clear, concise, and targeted.
Interpreting Compression Tests–ASE Practice Questions (VIDEO)
Technician A completed a compression test, noting high readings suggest an exhaust restriction, while Technician B says the test checks volumetric efficiency.
Do I Need a Tune-up?
When a customer rolls into your shop and asks for a “tune-up,” what’s your first reaction?
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SHOP STUFF
Auto care news and advice you can use.
Six Ways to Best Protect Yourself from Keyless Car Theft (For Now)
Car thieves are getting smart. You need to be smarter.
PSA: Be Safe With Brake Cleaner
Brake cleaner is loved by techs (for good reason), but make sure you’re taking safety precautions.
Compression Testing | ASE Practice Questions (VIDEO)
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?
When a Voltmeter Isn’t Enough (Video)
Many high-end scan tools come with a capable digital storage oscilloscope. Time to put that tool to work.
Which Is Faster: A Spark Plug Firing or a Fuel Injector Spraying? (VIDEO)
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?
VIDEOS
Decreasing Circuit Resistance – ASE Practice Question (VIDEO)
When the resistance of a circuit is decreased and voltage remains constant, what happens to current?
Colin Chapman: The Philosopher of Motion (Part 2)
This British engineer changed racing forever by making cars lighter, not more powerful.
How Often Should You Really Flush Coolant? (VIDEO)
How do you know when it’s time to flush coolant? Technicians may have different views on the subject, but Dorman Training Center instructor Pete Meier explains how using a test strip at every service is a surefire way to get an accurate picture of the coolant’s health.