We earn commissions from purchases you make using links in our articles. Learn more. Despite recent advancements in environmentally conscious electrified vehicles, most of the cars and trucks we drive ...

Modern internal combustion engines — including those that run on diesel fuel — require a lot of special parts and systems to prevent dumping excess emissions into the atmosphere. Not only are those ...

Knowing your vehicle can become beneficial in emergencies. If you are ever in a situation where you want to repair something quickly or change a component, there is nothing more cost-effective than a ...

You're driving down the road and having a normal day behind the wheel of your car. You look down on the dashboard to check your gauges and speed, but you notice that a little orange "Check Engine" ...

EGR stands for exhaust gas recirculation, and the EGR valve is part of a system that does as the name implies: recirculate exhaust gas back into the engine’s intake manifold for a return trip to the ...

Most diesel engines in the U.S. use a combination of technologies to reduce emissions. Usually there will be a diesel particulate filter (DPF), selective catalytic reduction (SCR) with urea (DEF fluid ...

The Exhaust Gas Recirculation (EGR) valve sends some of the exhaust gas back into the cylinders to reduce combustion temperature. This is required because nitrous oxides (nasty pollutants) form when ...

My son's 2019 Ford Focus 1.5 diesel shows an EGR restricted flow light every 8000 miles. We clear this by dismantling and clearing a metal mesh filter which gets completely blocked with soot. This is ...

I'm just going to show you quickly how to check your EGR valve if you suspect it might be stuck or you've got a fault code that could indicate to that it's going to take less than 30 seconds just to ...

Aaron, a 27-year automotive technician and lifelong car enthusiast, attended Specs Howard School of Media Arts and learned the fundamentals of digital video and editing, shot composition and writing.