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 ...

SAE Transactions, Vol. 114, Section 5: JOURNAL OF MATERIALS AND MANUFACTURING (2005), pp. 119-125 (7 pages) We have been developing the mixed-potential type NOx sensor which can detect the total-NOx ...

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 ...

The engine’s knock sensor (or sensors) detects preignition and detonation, potentially damaging forms of abnormal combustion. Though full-blown knocking and pinging are audible to the human ear, the ...

It defines a system that monitors a condition or state and then uses that information via a microprocessor to either maintain, adjust or alter an operation. The most common use of the term was ...

Starting with 2015, a series of recalls have been conducted by South Korean car companies Hyundai and Kia on account of faulty engines that are some instances were known to catch fire. As it appears, ...