One of the common causes of lost power and performance in diesel-powered vehicles is a malfunctioning nitrogen oxides (NOx) sensor. These sensors monitor NOx levels in the vehicle’s exhaust. If they ...

General Motors has issued a service update for certain 2021 Chevy Silverado HD and 2021 GMC Sierra HD pickups that may have been delivered with a damaged diesel nitrogen oxide sensor. The problem: in ...

The new Euro 6 car emissions standards coming into force in September will require at least 20 sensors per auto engine, says IHS. Most of the new sensors are related to exhaust aftertreatment because ...

There are a million and one things that could go wrong with a car engine. In old times, it was solely up to the owner and/or technician to drudge through possible issues until they determined what was ...