The diesel particulate filter (DPF) has continued to improve over its 15-year existence. So have other components of aftertreatment systems (ATS) that help send cleaner exhaust through the DPF.

IF IT'S coming in when the engine is under load it sounds like a diesel problem. It might be worth having the engine checked to make sure all is well under the bonnet, and check for displaced seals in ...

We are planning to change my wife’s Toyota Rav4 for a Nissan Qashqai, but the only automatic version has a 1.6 diesel engine. I think I recall that when Nissan introduced the 1.6 diesel on the old ...

There are quite a few reports of problems with the dpf clogging on the latest 2.8-litre diesel, but a Toyota spokesman told us there is currently no service campaign or recall related to the Diesel ...

How do diesel hybrids cope with switching on and off, between diesel and battery, if they have a DPF fitted? Even a medium length drive might involve lots of battery power and the diesel never getting ...

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 can often ...

This story appears in the May 27 print edition of Transport Topics. Retrofits of diesel particulate filters onto older vehicles that never had them will take a jump in 2014, when California’s rule ...

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 ...