If you’re like most drivers, you probably don’t think much about your car’s rear O2 sensors. But if your car’s check engine light comes on, or you experience poor fuel economy, it might be time to take a look at these sensors. Rear O2 sensors are small devices that measure the amount of oxygen in the exhaust gas from your engine. When the sensors detect low levels of oxygen, they send a signal to your car’s computer. This can cause the check engine light to come on and affect fuel economy. If you want to delete a rear O2 sensor on a car, there are a few things you need to know. The first is that each sensor is attached to its own bracket and requires special tools to remove it. Second, once the sensor is removed, it needs to be cleaned and inspected for damage. Finally, the bracket must be replaced if it’s damaged or missing. If you’re experiencing problems with your car’s performance or fuel economy, it might be worth taking a look at your rear O2 sensors. By removing and cleaning them properly, you can restore your vehicle to its original condition and improve its performance ..