Looking to install a Denso 4 wire O2 sensor but not sure how to wire it up? You’ve come to the right place! In this article, we’ll walk you through the process step by step so you can get your sensor up and running in no time.
Before we dive into the wiring diagram, let’s take a quick look at what exactly an O2 sensor does. O2 sensors are a crucial component of your vehicle’s emissions system, as they measure the amount of oxygen in the exhaust gases to ensure optimal fuel efficiency.