A vehicle emissions control system including: a fuel tank; a canister including a material configured to absorb fuel vapors released from liquid fuel stored within the fuel tank; a pressure relief valve configured to open to vent the fuel tank and permit t...

The control method for an internal combustion engine equipped with a gas treatment device comprises the following steps: closing a purge valve of the treatment device and performing a learning of faults of a fuel injection system, performing a learning of ...

An ECU determines whether an engine is temporarily stopped (step S1). When the ECU determines that the engine is temporarily stopped, the ECU prohibits purging with the use of a purge mechanism (step S2), and heats a canister (step S3). When the ECU determ...

The present invention presents a diagnostic method for leaks in fuel tanks and a device applying this method. The diagnostic method for leaks in fuel tanks according to the present invention is designed such that the pressure in the fuel tank of a vehicle ...