Under what conditions would the EGR system be expected to be operational? We have the correct answer.

Do you have a study guide to prepare for your ASE exams? Which parts of that study guide do you use the most? Dorman Training Center instructor Pete Meier explains.
Why wouldn’t your shop purchase a few of these?
Two technicians are examining a tapping sound coming from a V6 engine. See who has the correct response about what’s causing the noise.
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Auto care news and advice you can use.
Learn about a shop that’s making Jeeps all they can be.
DIFM customers just won’t purchase this common underhood part.
Think you know your dash lights? Shop Press contributors Keith, Miriam, Chris, and Greaser try their best to identify all kinds of lights, symbols, and indicators.
Supplement your shop’s oxyacetylene torch with alternatives.
These handy tools can are useful for all kinds of alignment tasks involving covers, pans, and gaskets.
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Auto care news and advice you can use.
Your multimeter is a versatile tool. But for certain diagnostics, you need an oscilloscope to get a closer look at a vehicle’s electrical systems.
We assembled a list of common and confusing advice, then asked the gang to weigh in on some very questionable practices.
Set yourself up for success with high intensity discharge lighting systems.
There are a lot of ways to approach the business of servicing the car in front of you. Which one is king?
If your customers can’t easily find your location, hours, or contact information, you’ll clearly struggle to earn their business. Here is a tip to help.
Inspection of a belt goes beyond the old standbys of checking for cracks and fraying.
On a car with disc brakes, what is the most likely symptom of a vehicle with rotors that measured out-of-spec for thickness variation when measured at several places on the rotor surface?
Peter Meier discusses the importance of testing coolant and how mechanics can use simple strip testers to keep cooling systems safe.