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 Ford launched the 6.4L Power Stroke V-8 diesel engine in 2007 as part of its F-Series trucks, Ford enthusiasts expected it to be unlike its predecessor, the 6.0L Power Stroke. Although Ford ...

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 ...

Diesel engines have a steadfast reputation for reliability, longevity, and pumping out gobs of grin-inducing, low-end torque. The latter makes diesels preferable over gas engines for hauling, towing, ...

Inline-six engines are well-balanced, and they have a great history of being reliable. Four engines in particular are especially notable for their longevity.

The EPA is escalating its response to consumer complaints regarding DEF system failures, announcing a new investigation aimed at 14 major manufacturers.

The Dieselgate emissions scandal made VW Group TDI engines pariahs in the car market, but a decade later, used values suggest ...

As harvest wraps up and temperatures fall, it’s time to winterize stored diesel fuel. If No. 2 diesel left over from harvest cools during colder, overnight temperatures, it may reach “cloud point,” ...

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 ...