Posts Tagged: What oxygen sensor codes mean

Oxygen Sensor Codes — Learn What They Mean

What oxygen sensor codes mean Oxygen sensors and air fuel ratio sensors have two separate components; the heater and the sensor. When you get oxygen sensor codes, it does NOT automatically mean the sensor is bad. In fact, 80% of all oxygen sensors returned under warranty are perfectly good. In other words, they were telling the truth and weren’t the cause of the trouble code. The same applies to oxygen sensor heater codes. DIYers automatically replace the sensor. But with oxygen sensor heater related codes, the problem can be caused … Read More