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EVERY ENGINE SENSOR EXPLAINED - MAF, MAP, IAT, TPS, 02, NOx, EGT - How it works, location, OBD2 code

In this video, we explain car engine sensors, detailing their functions, operations, locations, and effects of malfunctions.
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I used a $40 OBD-II scanner and saved hundreds in unnecessary mechanic visits

Using an inexpensive OBD-II scanner can save you money, time, and frustration.
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Check engine light was on for O2 sensor, I had them both replaced and the check engine light is still on for the O2 sensor so it might be a loose wire. I've spent around $4,000 fixing it up in the ...