The Knock Sensor detects engine knock and sends a voltage signal to the ECM. The ECM uses the Knock Sensor signal to control timing. Engine knock occurs within a specific frequency range. The knock ...

General Motors has issued a service update for certain examples of the Chevy Silverado HD and GMC Sierra HD pickup trucks equipped with the 6.6L L5P V8 Duramax diesel engine due to an issue related to ...

Dyno tuning is great. But, a dyno-tuned engine can't always be tuned for the stress it might see on the street, let alone something like the continued abuse of, say, a track day. This is especially ...

SAE International Journal of Engines, Vol. 11, No. 4 (2018), pp. 435-446 (12 pages) In a modern diesel aftertreatment system, a sensor for nitrogen oxides (NOx) placed downstream of the selective ...