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Dealing with “System Lean” DTCs

The Engine Control Module (ECM) is always keeping an eye on the amount of fuel it is adding to the cylinders, and it'll throw a code when it figures it can't keep the mixture right where it needs to be. You might see codes like "system rich" or "system lean," and they...

Back Away from the Wrenches

Today’s article is more of a philosophical one than a pragmatic one. You see, we’re in the business of buying and reselling auto parts, servicing automobiles, and getting paid for our efforts. But as automotive professionals, we merely delay the inevitable. The...

The Misunderstood Ford 6.0

My wife and I are RVers and started our RV adventure with a 23’ toy hauler. When we started, we pulled the trailer with a Ram 1500 equipped with the 5.7-liter Hemi engine, and for most outings, it handled the task just fine. It wasn’t until we took a trip to the North...

Side Business

If your shop is a typical one, you wouldn’t turn down easy, profitable work, right? Of course not. Maybe it’s time your foreman, techs, and service writers sat down and talked through the car that isn’t a car: side-by-side (SxS). Like other not-immediately-obvious...

Power and Ground Testing on an Electrical Circuit

I'll never forget this one day in the shop. One of the other techs was wrestling with an electrical gremlin and swung by my bay for some backup. "Pete, mind giving me a hand? I've got this GMC pickup with a blower motor that's running super slow. I checked the power...

ADAS Repairs: Why Calibration Is A Must

Modern vehicles equipped with Advanced Driver Assistance Systems (ADAS) are truly marvels of engineering. What started as high-end options found only on luxury cars can now appear as standard equipment on some econo-boxes (e.g., blind spot detection). That means it is...

Sergio Pininfarina: Sculpting Speed and Beauty in Metal (Part 2)

In Part 1 of this piece, we looked at Sergio Pininfarina’s career up to 1987. In this part, we’ll take a look at his innovative concept cars. Concept cars: when art defied convention Sergio encouraged his designers to explore new ideas through concept vehicles that...

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

by | Oct 27, 2022

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: bumpside, dentside, bullnose

What digit comes next in this sequence? 1, 8, 4, 3...

Choose the correct vehicle that belongs in the following group: 1990 Mazda Miata, 2004 Chevrolet Corvette, and 1983 Toyota Corolla AE86

Cummins is to Dodge as ________ is to Lincoln.

Honda's first product was...

A Mack truck with a gold bulldog on the hood indicates what?

When was the first production dually pickup truck with a bed designed for the wheels released?

Which vehicle boasts the oldest nameplate?

One of the following pieces of American currency depicted an automobile. Which one was it?

What was the first production vehicle equipped with disc brakes?

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