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

Break out your paint pen—you’re the service writer now!
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?
Shop Press is the news and idea hub for everything related to working on cars and trucks, focusing on repair, technology, and wrenching lifestyle. With interesting stories from around the world, features on creative people and solutions, and all kinds of other stuff that’ll make you use your mind and your hands.
Auto care news and advice you can use.
Stop beating your sockets to death.
Proper tooling and techniques are critical to repairing threads—and if you’re a mechanic, neither are marketed well to you.
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.
Are you a wrench and a writer? A counterperson and a communicator? A service writer and a scribe? Get paid to share your experience and expertise with thousands of Shop Press readers.
Auto care news and advice you can use.
Can independent repair shops benefit by offering mobile service to an increasingly immobile America?
If you’re a budding technician, a few of these pointers might help ya during front end work.
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?
A little glimpse into the world of making old parts new.
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?