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
P0420/P0430—The #1 DTC in the Country
And the most misdiagnosed.
Troubleshooting Fuel Trim–ASE Practice Questions (VIDEO)
Technician A and Technician B are discussing ways to use fuel trim as a troubleshooting aid. Technician A says that fuel trims that are correcting for a lean condition at high RPM and load conditions indicates a problem in fuel delivery. Technician B says that this condition is caused by a vacuum leak.
Add or Delete These Simple Parts to Help Customers Save Money
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.
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SHOP STUFF
Auto care news and advice you can use.
Clean It or Crack It
Why clearing bolt holes of contaminants matters.
Tariff Talk: A Look Backwards at The Chicken Tax
Lighten the mood at the next cocktail party you attend.
Watch This Video on the Inventor Who Put Lead in Gasoline
He also synthesized chlorofluorocarbons (CFCs).
Why Some Vehicles Have More Than One Spin-on Filter (VIDEO)
Ever spot what appears to be a second oil filter under a vehicle? Lemmy and Nick discuss the advantages of spin-on transmission filters for fluid protection and service.
Basic Brake Fluid Testers Are Far More Sophisticated Than You’d Expect
Peering inside the inner workings of a deceptively complex tool
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Are you a wrench and a writer? A counterperson and a communicator? A service writer and a scribe? Get paid to share your experience and expertise with thousands of Shop Press readers.
SHOP STUFF
Auto care news and advice you can use.
Hand in Glove: EV and Hybrid Service Safety
Glove testing is important; don’t skip it.
Stress Test Vehicle Grounds
Resistance is futile.
The Tightwad’s Way To Install Any Wheel Bearing Race
Stop beating your sockets to death.
Shop Profile: Locked N Loaded 4×4
Learn about a shop that’s making Jeeps all they can be.
Why you should empty the master cylinder before bleeding brakes (VIDEO)
Removing old fluid from a vehicle’s braking system can be a time-consuming chore, but it doesn’t need to be.
VIDEOS
DIYers: Yes, You Can Handle a Window Regulator Replacement
Here are some tips to help get you started.
Betcha Haven’t Serviced the Tool You Use on Every Job
The most dangerous piece of equipment in a shop is often the most neglected.
The Other Way to Use a File that Many Mechanics Don’t Know (VIDEO)
Need a smooth finish on a part you’re cleaning up with a file? Lemmy shows how draw filing can achieve a clean result with a totally different method of holding a traditional file.