In most cases, you can drive with a bad O2 sensor, but it is not recommended. A bad O2 sensor can cause your car to run rich or lean, which can damage your engine and catalytic converter. It can also cause your car to fail emissions testing.
Part 2: What are the symptoms of a bad O2 sensor?
The symptoms of a bad O2 sensor can include:
* Check engine light on
* Decreased fuel economy
* Rough idling
* Engine knocking or pinging
* Exhaust smells rich or lean
* Car fails emissions testing
If you experience any of these symptoms, it is important to have your O2 sensor checked as soon as possible.
