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Compression Testing | ASE Practice Questions (VIDEO)

Description Technician A has just completed a dry compression test of a four-cylinder engine. 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? A)...

When a Voltmeter Isn’t Enough (Video)

Description With the variety of electronically controlled systems on a modern automobile, the days when a test light or simple voltmeter was enough to diagnose problems are long gone. Using a digital storage oscilloscope (DSO) can make troubleshooting faster and more...

P0420/P0430—The #1 DTC in the Country

DTCs (Diagnostic Trouble Codes) P0420 and P0430 are generic industry codes and part of the OBD-II standards. The descriptor labels the code(s) “Catalytic Converter Efficiency Below Threshold – Bank 1 (or 2)”. And the number one part sold to repair this problem is a...

Troubleshooting Fuel Trim–ASE Practice Questions (VIDEO)

Description 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...

Add or Delete These Simple Parts to Help Customers Save Money

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. In case you haven’t heard the term before, the hypermiling community is obsessed with optimizing their vehicles’ fuel...

Are You Properly Checking Hub Bearings For Wear? (VIDEO)

Description The old “grab the wheel and shake” test you may have used for tapered bearings doesn’t apply for the hub bearings found on most of today’s vehicles. Pete Meier explains how a dial indicator is necessary for a true wear check.Related Videos

Efficiency is the Name of the Game

Someone once told me that successful auto repair is a game of inches. But in our fast-paced, ever-evolving industry, inches are no longer accurate—we need to hit the bullseye every time. Margins are tighter, technology is advancing rapidly, and customer expectations...

The bumpy story of vinyl record players in cars

The bumpy story of vinyl record players in cars

As a lover of vinyl records, I’ve often thought over the years of how to install a record player in my car, so I could enjoy the superior sound quality of vinyl while I’m driving. Of course, there are naturally a few ways that this idea is not practical. First, a form...
Chasing down Volkswagen’s best-selling sausage

Chasing down Volkswagen’s best-selling sausage

I recently settled into my easy chair and found this little tidbit in a recent copy of Car and Driver that made me want to shoot right on over to the dealer to see if this part was in-stock: I immediately asked a friend who is knowledgeable about all things German if...
November Automotive Horoscopes

November Automotive Horoscopes

Aries: You’ve been stubborn lately, but that’s not always profitable, especially with diag work. You’ve been footloose and fancy-free, doing whatever you want. That has to stop due to financial constraints. Deal with your unresolved monetary issues; the shop’s success...
Ranking the best fictional TV mechanics

Ranking the best fictional TV mechanics

TV and automobiles were both major forces in America in the mid- to late-20th century, so it’s perhaps no surprise that mechanics are regular characters throughout the history of television. But which ones are the best? Let’s find out with this completely unscientific...
Jeep Spotter’s Guide (VIDEO)

Jeep Spotter’s Guide (VIDEO)

Jeep Spotter’s Guide (VIDEO) Description If you can’t tell DJs (2WD variant of the CJ) from PJs (the clothes you wear to bed), this is the video for you. Watch as Nick quickly walks you through identifying features of the Jeep. He covers the major...
Quiz: Can you prove how big of a car nerd you are?

Quiz: Can you prove how big of a car nerd you are?

Is your brain filled with automobilia obscurity? Prove it by answering these questions pulled from the minds of the Shop Press editorial team. Complete this progression: numpside, dentside, bullnose Bricknose OBS Squarebody Fourth-gen What digit comes next in this...