Code P0325 is a generic OBD 2 fault code for a knock sensor malfunction on cylinder bank one. Several problems can cause the ...

I drive a 2005 Toyota 4Runner SR5 with 85,000 miles on it. Other than routine repairs, the vehicle has been trouble-free for all the years I’ve owned it. About two months ago, the check engine light ...

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 ...

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, ...

General Motors has issued a service update for certain 2021 Chevy Silverado HD and 2021 GMC Sierra HD pickups that may have been delivered with a damaged diesel nitrogen oxide sensor. The problem: in ...

Engine knocking can result from one of several issues involving your engine. Whatever is causing it, it must be dealt with immediately so it doesn't become any worse. The knocking is a warning sign ...

HOLLY, Mich, Oct. 02, 2025 (GLOBE NEWSWIRE) -- A diesel vehicle is built tough, but there are two small bits of technology that can bring it to its knees: NOx (nitrogen oxides) sensors. These sensors ...