While 40-year-old engines might not be expected to be the most reliable today, a certain diesel engine has found itself with an incredible reputation.

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 ...

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 ...

GM Ecotec engines face timing chain failures, oil consumption issues, and exhaust manifold problems that cost thousands in ...

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 ...

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 ...

As manufacturers of heavy-duty truck engines strive to meet government-regulated emission standards by implementing new emission technologies, customers are increasingly experiencing problems with ...

Continual breakdowns, ineffective repairs and financial losses from disrupted operations have pushed frustrated fleet owners to sue Caterpillar Inc., along with the truck and engine dealers who sold ...

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 can often ...