In most cases you will get a Check Engine Light. Be aware, a Check Engine light does not always mean a bad O2 Sensor. Your local auto-parts stores sometimes offer free OBD-II scan tool check.
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.
You need a engine scanner and hook it up and it will tell you what sensor is bad.
what are the symptoms of bad tdc o2 sensor
You can visit a local auto repair store to have them detect whether your O2 sensor is bad or not. They can normally do this for free in a few minutes. A bad O2 sensor would trip the check engine light to come on. The code retrieved would lead you to the failed O2 sensor.
The check engine light would illuminate and set a code for the bad O2 sensor.
Do you know your alphabet ? o2 sensor ?
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.
Unfortunately there is no fixing an O2 sensor. If the "check engine" light is on due to an O2 sensor, it can only be remedied by replacing the bad sensor.
yes
A bad O2 sensor can affect gas mileage. It is an emissions sensor, so when it goes bad, it does not reflect emissions performance on the car, which could cost a lot in gasoline.
When a O2 sensor goes bad your check engine light will go on and set a code.
The bad one.