Patent ID: 11940350
Assignee: ROBERT BOSCH GMBH
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC G  F  Y | IPC F  G

Claim 13:
14. A system comprising:
at least one exhaust gas sensor (22;24;26) of an internal combustion engine (10) the at least one exhaust gas sensor (22;24;26) configured to be disposed in an exhaust duct (21), and
an electronic control device configured to
introduce ambient air (12) into the exhaust duct (21) by means of a device (27), when an operating state is present in which the internal combustion engine (10) does not produce an exhaust gas mass flow, and
subsequently diagnose, the at least one exhaust gas sensor (22;24;26) disposed in the exhaust duct (21).