The oxygen sensor on an Audi A4 usually lasts anywhere from 60,000 to 75,000 miles, and when it goes out, it needs to be changed as quickly as possible. In any other case, your automobile will run poorly, the fuel mileage will endure, and also you danger doing everlasting harm to the automobile. Thankfully, that is an simple process to do at residence with just some instruments, and should not take greater than an hour to accomplish. On this case, the venture automobile is a 2001 Audi A4 with the 3.2L engine.
2001 Audi A4 Oxygen Sensor Installation Directions
1. Elevate the car up within the air utilizing the jack and safe it on jack stands. Double-examine that the automobile is safe earlier than crawling beneath it.
2. Lay down in your again and slide beneath the car. Find the catalytic converter on the exhaust, which is shut to the engine compartment and has giant warmth shields above and under it. In addition they have small louvers and holes in them. Simply behind the catalytic converter is a small tube that protrudes perpendicular to the tubing, and has a small wiring harness popping out of it. Unplug that harness along with your fingers.
3. Unbolt the oxygen sensor from the exhaust utilizing the oxygen sensor socket and the 3/8-inch ratchet. As soon as it is out, discard it.
4. Coat the threads on the alternative sensor with the anti-seize compound, ensuring not to get it on the sensor body itself. Thread the substitute sensor into the bung on the exhaust by hand, then use the oxygen sensor socket and the ratchet to safe it in place. Clip the harness on the alternative sensor into the inventory harness utilizing your arms.
5. Drop the automobile off the jack stands utilizing the jack.
Read more : How to Install an Oxygen Sensor in an Audi A4