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 ...

Ford's 6.2L Boss engine was supposed to be the future of its larger engines. Instead, it's now known for a slew of problems ...

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 ...

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 ...

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 ...

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 ...