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(Chapters 4 and 5) Fuel Trim and Oxygen Sensor Testing
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After showing you guys (and my class) the operation of an oxygen sensor on a motorcycle, I used this opportunity to discuss a very difficult topic from chapter 5 in my Engine Performance Diagnostics book. The topic is "Oxygen Sensor Bias Voltage".
View More About This Video: What is Oxygen Sensor Bias Voltage? (an SD Premium video)
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An oxygen sensor slow response or low activity trouble code is almost always a faulty oxygen sensor. There are a few other things to consider before replacing the oxygen sensor.
View More About This Video: Oxygen Sensor Slow Response test (P0134) - Nissan
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In most cases, a slow response DTC gets fixed with oxygen sensor replacement.
View More About This Video: P0133 O2 Slow Response (reversed O2 connectors) - Hyundai
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Here’s part II of my wideband O2 case study. I cover some further voltage and current testing on this vehicle and go deeper into the operation of this type of wideband sensor.
View More About This Video: Wideband O2 sensor testing, P1130 (Lexus RX-300) - Part 2
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In this first part of a two-part series, I get my hands dirty on a 2000 Lexus RX-300 with a wideband O2 sensor problem.
View More About This Video: Wideband O2 sensor testing, P1130 (Lexus RX-300) part 1