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 ...

Cooled-EGR (Exhaust Gas Recirculation) systems have been used since October 2002 by five major engine manufacturers (Cummins, Detroit Diesel, International, Mack and Volvo) to reduce emissions of smog ...

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 ...

While most of the early problems have been engineered out of the exhaust gas recirculation systems on today’s clean diesel engines, corroded coolers, stuck valves and other problems still plague ...

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" ...

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 ...

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 ...