Wideband O2 sensors, Narrowband O2 sensors and Fuel trim.
In this video i diagnose a car with fault codes caused by a bad Wideband O2 sensor. While we diagnose this fault let's talk about; Wideband O2 sensors, Narrowband O2 sensors, fuel trims and their relation.
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![MAF and Wideband O2 Sensor Testing for a P0172 [Rich Condition]](https://i.ytimg.com/vi/_z6HoW4OiD8/hqdefault.jpg?sqp=-oaymwEjCNACELwBSFryq4qpAxUIARUAAAAAGAElAADIQj0AgKJDeAE=&rs=AOn4CLBP9y_AX8m6dU8cFZwubuhc1icURQ)
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MAF and Wideband O2 Sensor Testing for a P0172 [Rich Condition]
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