Scott Shotton

Scott has over 25 years of technical experience in automotive repair shops. As owner of The Driveability Guys, Scott performs mobile diagnostics and reprogramming for local repair shops in the DeKalb Illinois area as well as industry training around the United States and Canada. Scott was also one of the four trainers for the Illinois EPA’s vehicle emissions testing program.  Scott has been an automotive instructor at Kishwaukee College since 2009. Prior to Kishwaukee College, Scott was adjunct faculty at the College of DuPage for 7 years. He has a degree in Automotive Service Technology as well as many hours of training by manufacturers and independent training entities.  Scott is also recognized as an Illinois state emissions repair technician.  He was also a technical trainer during his 8 year Army career. Scott has written many technical articles for MotorAge and Gears magazines. Scott became an ASE Subject Matter Expert (SME) in 2017.

Scott currently maintains 21 ASE certifications including: Master Automotive Technician, Master Truck Technician, A9, L1, L2, L3, Alternate Fuels and more. 


Eric Ziegler

Eric has over 30 years of experience as a technician with an extensive diagnostics background.  Eric is an ASE Recertified Advance Level L1 Master Technician who has spent a great deal of his career focusing on automotive electronics, engine management diagnostics, module programming and network communication. He is the owner of EZ 

Diagnostic Solutions, a mobile business that services the Peoria Illinois area.

In addition to owning and operating EZDS, Eric is an accomplished automotive trainer working for Automotive Seminars and the Driveability Guys training technicians in the latest diagnostic techniques and technologies throughout the Midwest and US.  He regularly attends and trains at some of the automotive industries top training events. Eric has also written technical articles for MotorAge magazine.

Eric currently maintains many ASE certifications including: Master Automotive Technician, Truck Technician, L1, L2 and L3.


Mohammad Samii

Mohammad Samii, or “Sammy” as he is often called, has been involved with electrical rebuilding since 1972 and currently is President and owner of Sammy’s Auto Electric Service, Inc., in Champaign, Illinois, which he established in 1979. 

His company does custom electrical rebuilding, electrical/electronic diagnostics and installation on various vehicles, and modifications and customizing of charging starting system for higher power and torque. He is a member of the Society of Automotive Engineers (SAE), an ASE certified technician and is involved in Automotive Technology programs at the local community college. Sammy serves on the board of governors of the Electrical Division of the Automotive Parts Remanufacturers Association (APRA). His monthly column, “Auto Electric Corner” appears in the Global Connection (APRA’s monthly newspaper) which he has been sharing his experience with his peers since 1992. He teaches various courses in installation and rebuilding throughout the U.S. and Canada for rebuilders as well as technicians and mechanics. 


Kenneth Zanders

Ken is an ASE Master Certified Automotive Technician with L1 Advanced Engine Performance. Ken has extensive training with various OEMs and has obtained Master Certification through many of their programs. Ken is a committed instructor striving to give something back to the automotive service community. 


Pedro De Le Torre

Pedro has over a decade of experience in the automotive technical field. After his graduation from UTI, he was employed by independent repair facilities and specialized in electronics, emissions and driveability issues. In 2014, Pedro began working with the Indiana emissions program “Clean Air Car Check.” While working in the Quality Assurance department, Pedro was the in-house diagnostic technician and repair advisor. He was also responsible for training hotline operators and he organized Clean Air Icert training. Icert training is the 60 hour program required to become an Indiana Certified Technician. In 2017, Pedro returned to an independent repair facility and remains a consultant for Indiana’s Clean Air Car Check.  Pedro is currently an ASE certified Master Automotive Technician and is L1 certified. 

Certifications and Memberships


Scott Shotton


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Eric Ziegler


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Mohammad Samii


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