EGR CLOSED Will it RUN HOTTER and REDUCE ENGINE LIFE 🤣🤷‍♂️🤣🤷‍♂️🤣🤔🤔🤣🤷‍♂️

How the EGR & PCV or CRANKCASE VENTILATION WORKS  The EGR system is there to reduce nitrogen oxide, but is there any evidence it actually works in the first place or if it works once the vehicle gets a bit older
There’s a few questions you need to ask yourself, but first watch the video to understand the difference between EGR and crank case ventilation