Diesel engines, for all their rugged usefulness, can be tremendously polluting. They produce more NOx — nitrogen oxides-based emissions – than gasoline-fed cars, as well as more particulates, aka soot ...

Federal regulators in the U.S. are looking into complaints that Ford Super Duty trucks powered by the 6.7-liter diesel V8 engine could suffer a fuel leak. What is particularly concerning is that the ...

There are legendary powerplants within the automotive sphere that are known to be the most reliable diesel engines ever built, like the Ford 6.7-liter Power Stroke. In fact, with over three decades ...

The owner of a 2006 Ford F-350 argued for years that Ford Motor Co. sold Super Duty trucks with defective 6.0L diesel engines to thousands of unsuspecting buyers and then concealed the known problems, ...

Ford and Navistar have settled a lengthy legal dispute over diesel engines. The dispute started in January 2007 when Ford filed a lawsuit against Navistar, arguing that Navistar unjustifiably raised ...

When rumors began circulating last year on the Internet that Ford was replacing its 6.0L Power Stroke with a new 6.4L engine, the buzz wasn't over the new piezo injectors or the common-rail ...

QUESTIONI have a low-mileage, showroom-condition, 1985 Ford F-250 two-wheel-drive pickup that has water in the oil and has been diagnosed as DOA. It has been sitting in a garage since 1990. The engine ...

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 ...