A vehicle includes an engine including cylinders, an intake air flow path coupled to the engine, a supercharger configured to pressurize intake air to be supplied to the engine through the intake air flow path, a fuel tank configured to store fuel, a canis...

It is a task of the invention to provide a leak diagnosis device for an evaporated fuel processing system, which is able to carry out a leak diagnosis irrespective of a temperature inside a fuel tank. A leak diagnosis device that is used in an evaporated f...

The method involves determining the instantaneous mass flow (mdotist) of the gas mixture using an algorithm in a controller, whereby a set of lines dependent on the venting valve drive time is defined by gradients dependent on the suction pipe vacuum (dps)...