General Information
WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
The exhaust gas recirculation (EGR) bypass tube is used to bypass the EGR cooler during initial start-up. EGR bypass tube removal and installation is best accomplished by working it as an EGR bypass subassembly consisting of the EGR bypass valve and the EGR bypass tube.