Method for diagnosing an internal combustion engine in a...

Details Method for diagnosing an internal combustion engine in a... Method for diagnosing an internal combustion engine in a...

2011-07-05

2011-07-05

Kirkland, III, Freddie (Department: 2855)

Measuring and testing

Internal combustion engine or related engine system or...

Irregular combustion

Reexamination Certificate

active

07971475

ABSTRACT:
A method for diagnosing an internal combustion engine in a motor vehicle having at least one sensor unit, including at least one sound receiver, the sound receiver converting sound waves into an electrical signal. Sound waves of the internal combustion engine are recorded using the sound receiver of the sensor unit and converted into an electrical signal, and the electrical signal is used for the diagnosis of the operating state of the internal combustion engine.

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