Ultrasonic i used: https://s.click.aliexpress.com/e/_AFalG9 Detailed video: https://youtu.be/NBLPrf7Py4k In todays video i will show you Best way to clean o2 sensors if you willing to clean your cars oxygen sensor: Watch this before cleaning oxygen sensor, and also i will be answering some of your questions: should we use anti seize on oxygen sensor? can we clean oxygen sensor with ultrasonic cleaner so i will cover all that in this video