When you find yourself in the market for a new vehicle, you may have to pick between a diesel- or gas-powered car. As a fuel, diesel may be a little more expensive than gas, but it comes with a host ...

The fuel and exhaust systems inside diesel engines work closely together. As a result, fuel- and exhaust-related issues can be some of the most difficult to diagnose: A symptom in one system often can ...

Continuing our informal "series" on diesel-engine problems—common, and, not-so-common—we're focusing our attention on the Ford 6.7L Power Stroke (code name "Scorpion"), an engine developed exclusively ...

The first RAM with a Cummins engine under the hood was launched in 1989 and has continued to evolve, now in it's fifth generation. In 2003, the popular heavy-duty truck offered the Cummins third ...

This story appears in the Sept. 20 print edition of Transport Topics. The main problems owners of 2008 heavy-duty engines have encountered involve the exhaust gas recirculation system and the engine ...

A little over half of owners of one-year-old heavy-duty truck engines have experienced some type of problem in 2010 , according to the J.D. Power and Associates 2010 U.S. Heavy-Duty Truck Engine and ...

As a result, fuel and exhaust-related issues can be some of the most difficult to diagnose: A symptom in one system can often arise from a problem in the other. Here are three common fuel and exhaust ...