As ever, I am fighting a marginally winning battle against my 1991 Mazda MX-5, and this is the story of how I came to install a wideband oxygen sensor in my Japanese thoroughbred. It came about as ...

The world owes a debt of gratitude to the oxygen sensor. The air quality in our major centers has improved over the last several decades, despite significant population growth and millions more cars ...

As ever, I am fighting a marginally winning battle against my 1991 Mazda MX-5, and this is the story of how I came to install a wideband oxygen sensor in my Japanese thoroughbred. It came about as ...

rusEFI own wideband module requires one time initial programming. Self contained version of the board relies on custom USB header while module integrated into Hellen ...