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Do I Need a Tune-up?

If you’re like me, you might cringe a little. More often than not, they’re hoping this magical procedure will fix some mysterious issue with their car. But let’s break it down: what is a tune-up, anyway? Most dictionaries describe a tune-up as “a general adjustment to...

PSA: Be Safe With Brake Cleaner

If you work in a shop (and if you’re reading this, chances are you do), you are undoubtedly familiar with brake cleaner. And, if you know the scent of brake cleaner, you probably know that using it is not great for your health if it comes in contact with your skin,...

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...

Junkyard therapy. It’s my kind of therapy.

Junkyard therapy. It’s my kind of therapy.

For some folks it’s fishing. For others it’s golf. But when I feel like dropping off the grid for a couple hours of “me” time, I head out for a walk in the park—in the junkyard. Actually let me clarify that, because not all junkyards are the kind of junkyard where I...
The worst cars are the best classrooms

The worst cars are the best classrooms

In my line of work it helps if you like cars. It helps even more if you love ‘em. Which I do, and far more than they deserve to be loved as inanimate objects. That misplaced affection—along with the fact that I bore easily—also helps explain why I’ve had so many....
March Automotive Horoscopes

March Automotive Horoscopes

Aries: The rhythm in your current workflow gives stability and predictability. Don’t lose it! Your service writer will have plenty of work for you soon. Lean on your focus to plow through your list of tasks, and use any down time to organize your personal space. You...
TECHNICIAN CHALLENGE: The Mystery Box

TECHNICIAN CHALLENGE: The Mystery Box

TECHNICIAN CHALLENGE: The Mystery Box Description So much in the repair world relies upon feel—but it’s not so often you don’t have sight to aid you in your work. Watch as a few Dormanites attempt to identify auto parts using just the sense of touch and...
Your customers are using their HVAC systems wrong

Your customers are using their HVAC systems wrong

“Hey, you. Yeah, you driving with your windows all fogged up on the inside. I’ll betcha 10 bucks there’s one setting on your ventilation system—you know what, let’s make that two—that you’re using completely wrong for the conditions you’re driving in.” You probably...
Let’s hear it for the mighty roach coach

Let’s hear it for the mighty roach coach

Forget about tangy Korean short rib tacos, succulent Maine lobster rolls, and decadent softball-sized cupcakes. Before taking up residency in hip neighborhoods around the country, food trucks were just an easy way for hard-working folks to get a hot bite quickly;...