Patent ID: 11898933
Assignee: DAF TRUCKS N.V.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC G  F | IPC G

Claim 11:
12. A method of testing an internal combustion engine comprising a plurality of cylinders, wherein each of the plurality of cylinders are tested individually, the method comprising the steps of:
executing a sequence of individual cylinder tests, wherein, for each individual cylinder test, a first engine performance value indicative of a health condition of an individual cylinder is measured in a condition that an amount of fuel provided to one cylinder under test differs relative to an amount of fuel provided to the rest of the plurality of cylinders;
wherein, in an idle period between subsequent individual cylinder tests of said sequence of individual cylinder tests, a second engine performance value is measured; and
wherein at least some of the individual cylinder tests are discarded if the second engine performance value passes a threshold.