Gregg Wartgow

Gregg Wartgow

Photo illustration: Cris Beaulieu | Erin Brown
Emissions System Exorcist
Diagnostic & Repair

Aftertreatment exorcisms made easy

Oct. 31, 2023
Some issues in the aftertreatment system can make it seem like it's possessed. With the right troubleshooting techniques and regular DPF cleanings, you can exorcise those DTCs...
ID 266693376 Kozpho |
Dreamstime Xxl 266693376
Fluids & Chemicals

Simplifying engine oil sampling

May 22, 2023
How fleets can take preventive maintenance up a notch with the right oil sampling tools and techniques.
Photo 119815875 Ryzhov Sergey |
Dreamstime L 119815875
Brakes, Tire & Wheel

Visual guide to commercial truck brake wear

April 18, 2023
How to tell if wear on drum and air disc brakes needs to be addressed.
Cox Automotive Mobility Fleet Services
Cox Automotive Mobility Fleet Services operates more than 750 mobile service trucks to provide emergency maintenance across the country. Cox Automotive also provides towing and asset recovery services.
Diagnostic & Repair

Equipping an emergency roadside service vehicle

Feb. 27, 2023
When deciding how to equip an emergency roadside service vehicle, start with the most common reasons as to why a service vehicle is called out in the first place.
169227187 | Golden Sikorka | Dreamstime
Dreamstime 169227187 2 63d8847616c39
Shop Safety

Safety on the side of the road

Feb. 23, 2023
Roadside repairs create additional safety concerns for technicians. Aside from PPE, there are other factors that must play into a fleet’s safety program for mobile technicians...
24502777 | Goce Risteski | Dreamstime
Automatic transmission

Transmission transition

Dec. 15, 2022
As the industry continues down its long path to electrification, technicians must remain attentive and agile when servicing today’s evolving drivetrain solutions.