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 ...

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 ...

Much of Lewis Tree Service's maintenance is done by outside vendors, “which makes it interesting,†says the corporate fleet supervisor, Paul Wion. Several years ago, Paul Wion, corporate fleet ...

WASHINGTON -- Now is the time when modern diesel engines were expected to make their move, accelerating toward a sizable share of the U.S. car and light-truck market. But it isn't happening - despite ...

A motorist fills up the tank of a vehicle at a gasoline station in Littleton. (AP Photo/David Zalubowski, File) How a vehicle built to run on unleaded fuel reacts when diesel is introduced to the mix ...

Volkswagen Group has admitted that former chairman Martin Winterkorn received two memos about the diesel scandal in 2014. Top execs ignored the problem because they didn't think it was a serious issue ...

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, ...

DETROIT - Ford Motor Co. is acknowledging that some of its crucial new 6.0-liter diesel engines have a defective sensor, leading to bucking and stalling in cold weather. Since November, the company ...

Ten months after launching a new diesel engine for heavy-duty pickup trucks, Ford faces a chorus of quality complaints from owners who are among the company's most loyal customers, Reuters reported.

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 ...