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 ...

PACCAR has been granted a patent for a method involving a heavy-duty truck’s diesel engine and exhaust after-treatment system. The system includes selective catalytic reduction systems and NOx sensors ...

Knock sensors are devices used in internal combustion engines to detect engine knock or detonation. The knock sensor detects vibrations and sends a signal to the engine control module (ECM), to ...