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)
read more
HOT OFF THE PRESS
SLABs: Slow, Loud, and Bangin’
The unique culture of slab cars.
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.
ABOUT SHOP PRESS
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.
Politics Ain’t Politic
If you have to have them in the shop, endeavor to make politics polite.
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.
Are You Properly Checking Hub Bearings For Wear? (VIDEO)
Pete Meier explains how a dial indicator is necessary for a true wear check.
Efficiency is the Name of the Game
Four proven ways to run a tighter ship at your shop.
Misfire Cause–ASE Practice Questions (VIDEO)
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.
Want to contribute an article to Shop Press?
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.
Alignment and Inner Tie Rod Play – ASE Practice Question (VIDEO)
A vehicle with MacPherson strut suspension is in for tires and an alignment. The technician finds play in the left inner tie rod end. What should the customer be told?
Why Wheel Fastener Torque Matters More Than You Think (VIDEO)
If you’re still using torque sticks and impact power to install lug nuts and lug bolts, it’s time to reconsider.
A History of the U.S. Presidential State Car (Part 1)
The commander-in-chief’s road transportation, from Pierce-Arrow cars to the Kennedy Lincoln Continental.
Dead Battery? (Video)
Diagnosing the cause of a battery drain can be a challenge today.
Check Engine Light On?
Grab a generic OBD-II scan tool and take these first steps to turn it off and keep it off.
VIDEOS
Hybrid A/C Compressor Oil-ASE Practice Question (VIDEO)
On a hybrid vehicle’s air conditioning system that utilizes a high voltage electrical compressor, can only the oil specified by the vehicle manufacturer be used in the compressor or is PAG oil acceptable for use in an electric vehicle’s compressor?
Troubleshooting a “No A/C Compressor Engagement” Fault
Why a compressor clutch doesn’t engage, and tips to find the cause quickly.
Is the Oil Change Interval in a Vehicle’s Owner’s Manual Always the Right Choice? (VIDEO)
Pete Meier explains how vehicle usage and oil/filter quality should affect your maintenance schedules.