o2 sensor

How to diagnose a faulty oxygen sensor on a Nissan R34 GTR and how to replace it. Update on January 8th 2021 ! After chatting with a member of https://www.gtr.co.uk I decided to make a small update. Before starting and to avoid confusion, there are 2 oxygen sensors on a R32/R33R34 GTR. The O2 sensors […]