Bruce Smith puts five cleaner/degreasers to the test cleaning cross sections of a plugged Ford 6.7L Power Stroke EGR Cooler to see which one (s) work the best ...

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 ...

This story appears in the July 26 print edition of Transport Topics. Click here to subscribe today. Fleet managers should consider total “fluid efficiency” when comparing trucks using exhaust gas ...

Q: I have a 1990 Toyota Corolla LE, with automatic transmission, which I purchased new. It now has 101,000 miles on it. In all the years I’ve had it, there was never a major problem. All the service ...