VIDEO: Understanding Oxygen Sensors And Air Fuel Ratio Sensors

VIDEO: Understanding Oxygen Sensors And Air Fuel Ratio Sensors

Early oxygen sensors could only see a very narrow range of the air/fuel ratio. Modern air/fuel ratio sensors can see a wider range of lean and rich conditions. Andrew Markel discusses what this means to your diagnostic approach when it comes selecting the correct sensor for the job.

Early oxygen sensors could only see a very narrow range of the air/fuel ratio. Modern air/fuel ratio sensors can see a wider range of lean and rich conditions. Andrew Markel discusses what this means to your diagnostic approach when it comes selecting the correct sensor for the job.  Sponsored by NAPA.

Video courtesy ImportCar.

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