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This video is part of a complete series about engine sensors: their location, function, how they work and the design of the electrical circuit from the sensor to what is inside the control/brain. The oxygen sensor is what the control relies on when it enters the closed loop and then begins to adjust the amount of gasoline to reach the ideal mixture. Link to Part One • O2Sensor - Part One Theory of Operation of the... Link to Part Two • O2Sensor - Part Two Theory of Operation of the... Link to Causes of Poor Mixture • Causes of Poor Mixture Complete - LEAN Cond... Link to Test the Signal Wire of the Oxygen Sensor with 1.5 Volt Stones • The Fun of Inspection Test the Signal Wire of the... Link to Test the Signal Wire of the Oxygen Sensor with Stones with Your Finger Only • The Fun of Inspection Test the Signal Wire of the... Link to Video Basics of Electricity • The Fun and Greatness of Inspection Signal wire test... Link to the video of testing the signal wire for any sensor in the car. It is a practical video. • Car Electricity (Part Zero A) - Electr... Facebook link: / ahmed.mahdi.75436531 #MahdiSCOPE #Work_Smart