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.

From the creative minds at:

FEATURE STORY

Hot Off the Press

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...

Misfire Cause–ASE Practice Questions (VIDEO)

Description 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...

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;...
March Automotive Horoscopes

February Automotive Horoscopes

Aries: Stress around the shop is about to melt away. Resist packrat urges—letting go is just as important as gathering items of value. Spruce things up! After work, be careful not to overdo things in extracurricular matters. Pay careful attention to the cars above you...