Question: Which side of the engine is my bank 1 oxygen sensor in my 2004 audi s4?
Need to replace bank 1 sensor 2 in my Audi, I know it's after the cat but cannot find out what side of the engine it is.
Elizabeth K
Expert Mechanic
Elizabeth KriestenCar Brakes: How Do You Know When to Change Them?
By Zach Bowman For those who suffer a daily commute through heavy traffic, your vehicle's braking system can bring thousands of pounds of metal, plastic and empty Starbucks cups to a stop hundreds of times before you get to work. It goes without saying that these pieces wear out, but they do so slowly, meaning you may not notice they need attention until ...