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 ...

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 ...

200 miles after the update, my 2010 Audi A3 Cabriolet 1.6 has broken down and needs a new EGR valve. These are on back order and, after two weeks, I have no idea when I will get my car back. I am ...

This story appears in the July/August 2012 issue of Equipment & Maintenance Update, a supplement to the July 9 print edition of Transport Topics. Click here to subscribe today. The coolers at the ...

Plugged exhaust gas recirculation (EGR) coolers are the bane of every diesel pickup owner. These radiators plumbed into the intake system do their job at keeping the air we breathe healthier by ...

As long as you run on Super diesel you're unlikely to promote sooted up EGRs or DPFs, but will eventually have to contend with a worn out EGR, a DPF full of ash and/or problems with the AdBlue heater ...