A system and method for detecting a leak in a Stage II vapor recovery system is disclosed. The system may monitor the Stage II vapor recovery system for the occurrence of quiet times and record pressure data during those quiet times. The system may make a ...

The present invention relates a method and system (1) to detect a leak in a vehicle fuel tank (2). It comprises performing the following steps as well as means for performing these steps. Closing a valve (3) sealing the fuel tank (2) from ambient air (9) u...