How to Properly Understand Your O2 Sensors: Vehicle Oxygen Sensors and Their Role with Fuel Trims

This video will discuss the importance of understanding your o2 sensors.

0:30 Narrowbands and widebands
0:45 Let's look at this scan from a 2016 Corvette using HP Tuners scanner
0:55 oscillating o2 sensors mean...
1:10 Ethanol content of your fuel
1:30 Wideband setup
2:00 At some point regardless of how much you spent on your wideband a sensor will go bad...
2:30 we see this a lot..you are doing a WOT pull and the wideband reads dead lean....
3:10 You can verify this by looking at your narrowbands
3:45 High millivolt reading tells you that....
4:40 18:1 ratio is really bad
4:50 Swap vehicle...look how bad this scan looks
5:47 Bad signature
6:00 Car drove horribly
6:30 Look at what the fuel trims are doing on bank 1 and bank 2
6:45 Reason why is...

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Видео How to Properly Understand Your O2 Sensors: Vehicle Oxygen Sensors and Their Role with Fuel Trims канала TheTuningSchool