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 ...

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 ...

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 ...