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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...

The Only Thing Better Than Making Money Is Not Losing It

Service writers, this piece is aimed squarely at you. You may be aware of many of the costs of doing business. Recognizing potential costs and preventing them from eating into your shop’s productivity is one of the skills that separates a good writer from an...

What are rear fog lights, and when should you use them?

What are rear fog lights, and when should you use them?

If you’re a vehicle owner or auto repair professional in the United States, odds are that you haven’t seen (or even used) rear fog lights on a vehicle. The vast majority of vehicles sold in the US do not include them, and in some cases, the feature is disabled or the...
What is a core charge?

What is a core charge?

The article title is a question I asked when I was a young counterman, and most of you oldtimer mechanics and parts people of course know the story: the core charge is a way to be sure the smoked part makes its way back to the parts counter. A core charge is a deposit...
Watch this video on the invention of the Ford V-8 engine

Watch this video on the invention of the Ford V-8 engine

If you enjoy pioneering developments in automobile history, this video on the development of Ford’s V8 engine is a must-watch. It’s a bit on the long side (a little over an hour), but it’s well worth your time to fully appreciate this revolutionary success in Ford—and...
How to install a brake cable slack eliminator (VIDEO)

How to install a brake cable slack eliminator (VIDEO)

How to install a brake cable slack eliminator (VIDEO) Description If your parking brake is weak or not working at all, a stretched cable is usually the issue. The Dorman 03006 parking brake slack eliminator is a quick and easy way to restore brake function. Related...