An oxygen sensor is an electronic device that measures the proportion of oxygen in the gas or liquid being analyzed. It is a crucial part of the emissions control system in modern vehicles, and it helps to ensure that your car runs as efficiently as possible. If your check engine light is on, it's likely because your oxygen sensor needs to be replaced.
There are a few ways that you can bypass an oxygen sensor:
1. Use a jumper wire to bypass the oxygen sensor. This method is temporary and should only be used if you need to get your car emissions-tested.
2. Replace the oxygen sensor with a dummy sensor. This method is more permanent, but it will cause your car to run less efficiently.
3. Remove the oxygen sensor entirely. This will disable the emission control system in your vehicle, so it should only be done if you don't care about emissions standards or fuel efficiency.