The 2013 Chevy Equinox has a couple of oxygen sensors on the vehicle. There is one of them situated on the exhaust after the header and before the exhaust system</br> and a subsequent one is situated after the feline. The oxygen sensors on Your vehicle are there to quantify the air to fuELRatio in the exhaust gasses. It additionally is there to confirm that Your exhaust system is eliminating contaminations from the exhaust before it is delivered into the air. At the point when an oxygen sensor on Your vehicle bombs You will ordinarily get a check motor light. You may likewise see that Your vehicle runs exceptionally unpleasant and may slow down while driving which can be a risky circumstance.