Symptoms of a malfunctioning NOx sensor include increased fuel consumption, as well as reduced power and acceleration. If a sensor fails, it will also trigger an on-board diagnostic (OBD) code, ...

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 ...

RAY: The knock sensor, as the name strongly implies, senses when there’s a knock occurring in your engine. TOM: And it signals the computer to yell, “Come in!” RAY: That’s awful. Engine knock is also ...

ABSTRACT Nitrogen oxide (NOx) sensing is required both for on-board diagnosis and optimal selective catalytic reduction (SCR)-catalyst control in heavy duty diesel engines. This can be accomplished ...

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 ...

DEAR CAR TALK: I have a 2015 Kia Sportage with 25,000 miles on it that I purchased new. At about 15,000 miles, I noticed a slight ping when slowly climbing hills. I tried changing gas, to no avail.