A tool engineered to exchange the oxygen sensor in particular Husqvarna bike fashions. It simulates the sign usually despatched by the oxygen sensor to the engine management unit (ECU). This enables the ECU to function underneath a pre-programmed gasoline map, usually bypassing closed-loop gasoline management.
These units are sometimes employed when modifications are made to the exhaust system, reminiscent of putting in aftermarket pipes, or when searching for to optimize engine efficiency. They are often useful in addressing points stemming from oxygen sensor malfunctions, offering an economical different to sensor alternative and, in some circumstances, enhancing throttle response and total rideability. Traditionally, such units arose from the necessity to circumvent limitations imposed by inventory emission management methods, particularly in off-road or racing purposes the place absolute energy takes priority over emissions compliance.