Under certain conditions, the water in DEF can evaporate, leaving behind white crystal urea deposits. Over time, these crystals can build up, clogging system components and interfering with normal ...

James and Penny Schrader have bought Fords faithfully for 30 years. But persistent problems with the Power Stroke diesel engine in their 2004 F-250 pickup have unraveled three decades of brand loyalty ...

The national average price of a gallon of diesel passed the $3 mark for the week ending Monday, Aug. 7, and that was before BP’s announcement of a shutdown in the nation’s largest oilfield. Meanwhile, ...

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 ...

Adding diesel exhaust fluid to trucks has become fairly routine, despite some of the anxiety that came along with the debut of this new fluid a decade ago, needed to cut emissions using selective ...

The 6.0L Power Stroke diesel Ford debuted in 2002 has been riddled with problems since the get-go. In particular, Ford medium- and heavy-duty pickups from model year 2003 and 2004 have been affected ...

Several years ago, Paul Wion, corporate fleet supervisor at Lewis Tree Service in upstate New York, got up during a Shop Talk session at a TMC meeting to describe a fix for diesel particulate filters ...

Audi A4 engine oil changes are a critical part of life for this car, as its high-tech engine is complex and precise and will not tolerate dirty or old oil. But even though the engine is sophisticated, ...

Europe has seen the bulk of Volkswagen's efforts aimed at removing the emissions-cheating software installed in millions of diesel vehicles; it's the largest single market for TDI vehicles. The ...

HOLLY, Mich., April 16, 2025 (GLOBE NEWSWIRE) -- A diesel truck, car or SUV that is losing power and fuel economy, shutting down unexpectedly, and/or has a DEF warning light illuminated is probably ...