Audi S4 Oxygen Sensor

The Audi S4 was formerly known as Audi 100 S4. During the development of S4, many popular parts like the oxygen sensor have been built. The vehicle is equipped with a device known as the oxygen sensor which makes the control of fuel injection and emission possible. Although the sensor does not truly measure oxygen concentration, the parts give the quantity of oxygen on the exhaust and in the air.

S4 provides a lot of great parts. But after a long time, the worn S4 oxygen sensor parts might cause huge problems. The removal process for the oxygen sensor parts is as follows. First, disconnect the negative battery terminal. Next, locate the oxygen sensor. Then use an oxygen sensor wrench to remove the sensor (Remove the nuts if needed). Finally, disconnect the electrical plug. The oxygen sensor can be tested by following the next steps. Start the engine and bring it to operating its temperature first. Next, run the engine to 1200 rpm and use a voltmeter to verify the sensor voltage, and the voltage of the sensor depends on the recommended oxygen sensor voltage. We have a lot of high-quality S4 parts. There are plenty of cheap and quality S4 parts online.