* Increase tail pipe emission * Rotten egg smell from tail pipe * Poor accelaration * Surging of car on acceleration * Miss firing at high RPM * Poor fuel economy
only in California
Stuck open injector, severe misfire, failed oxygen sensor, etc.Stuck open injector, severe misfire, failed oxygen sensor, etc.
possible symptoms are the engine warning light will be on
service light poor fuel milage
The heater in the oxygen sensor has failed. Its a good idea to replace BOTH oxygen sensors at the same time. If one has failed the other won't be lasting very long.
Newer oxygen sensors are heated for accuracy. If the heater element goes bad the oxygen sensor doesn't work and needs to be replaced. If you have an oxygen sensor heater malfunction, it just means that the oxygen sensor has failed.
If an 02 sensor has failed, it can only be replaced. See "Related Questions" below for more
Exhaust leak, failed oxygen sensor, failed catalytic converter.
When you have a bad oxygen sensor your car may consume a lot of gas. Your car may also drive slower.
obd2 means on board diagnostics failed not o2 sensor, 1st have to figure out why obd2 failed.
By testing to see which one has failed.By testing to see which one has failed.
Reassure the resistor of the hot wire anenmeter to determine if it has failed. This can be done at the same time that you test the oxygen sensor.