The check engine light would illuminate and the code set would help lead you to which sensor is At Fault.
exaust leaks , faster if its before the 02 sensor
Need to hook upto a scanner. Check for codes.
If it is bad the check engine light will come on and set a code for that particular sensor.
You have a bad 02 sensor after the catalytic converter.
The check engine light will illuminate if you have a bad O2 sensor. The code set will lead you to the faulty sensor.
engine will stall out and run very bad.
how do you k now the cam sensor is bad
When a O2 sensor goes bad the check engine light will illuminate. The code set in the ecm will lead you to which O2 sensor is bad.
Do you know which sensor is bad? Have you had the computer scanned? most of them just unplug from the wiring harness and you unscrew the sensor out of the exhaust pipe either before or after the catalytic converter. If they are bad you can generally shake them and you will hear them rattle due to the porcelin breaking.
poor gas mileage
how do i know if the o2 sensor is bad. The check engine light would illuminate and the code(s) set would steer you to the faulty O2 sensor.
if your ac is running and if you have a bad 02 sencor most likely it will not kill your car it depends on your sensor