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Air Fuel Sensors Versus Oxygen Sensors

There are two main kinds of oxygen sensors in today's vehicles, the conventional oxygen sensor and the newer air/fuel sensor (also called a wide range or wideband oxygen sensor). To learn how these two systems work in the vehicles in your shop, Master Technicians Mark Kenyon and Mark Ingram of Garage Gurus explain each in detail.

After watching this video, you'll understand the differences between the oxygen sensor and the air fuel sensor and the effect each has on long term and short term fuel trim. Each system is hooked up to a computer and tested so you can see both systems in action. Count on Garage Gurus to help you get your customer's vehicle repair done right.

The Master Technicians of Garage Gurus have the tips and know-how you need to keep up with the latest techniques in engine repair. From on-demand videos and online tech tips to hands-on training courses, you can experience leading-edge automotive training onsite, online or in one of our automotive training centers.

To learn more about engine repair, check out these videos from the experts at Garage Gurus:

Take your career to the next level with these training courses from the Master Technicians of Garage Gurus:

  • O2 & Wide Range Air: Fuel Sensor Diagnostics
  • Mass Air Flow & Volumetric Efficiency Testing on Today's Engine
  • Engine Performance & Drivability

The content contained in this article is for entertainment and informational purposes only and should not be used in lieu of seeking professional advice from a certified technician or mechanic. We encourage you to consult with a certified technician or mechanic if you have specific questions or concerns relating to any of the topics covered herein. Under no circumstances will we be liable for any loss or damage caused by your reliance on any content.

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