Method, computer programme and control and/or regulation device for operating an internal combustion engine, and internal combustion engine

摘要

The engine has a piston pump (18) as a fuel pump with at least one transport chamber (38). The method involves using number of engine operating ranges and separating the transport chamber from a low pressure region (16) with a valve (44) for a defined period every defined number of transport strokes in a first operating range and at different intervals in a different operating range. Independent claims are also included for the following: a computer program and a control and/or regulation device for operating an internal combustion engine.