The engine B2426 Code is a necessary thing and as the code has started with the B letter, it means the body of the car engine has a problem. The real meaning of the code is related with the car manufacturer and model of the car. The B2426 OBD2 reports a sensor culpability, extra of the sensor is unlikely to resolve the original problem. The fault is most probable to be triggered by the systems that the sensor is maintained, but might even be produced by the cabling to the sensor itself. However, engine body of the car is easy to fix.