Method of detecting and documenting exhaust-gas relevant malfunc

Details Method of detecting and documenting exhaust-gas relevant malfunc Method of detecting and documenting exhaust-gas relevant malfunc

1997-02-26

1998-08-25

Moulis, Thomas N.

Internal-combustion engines

Charge forming device

With fuel pump

123479, 73119A, F02M 3704

Patent

active

057973750

ABSTRACT:
The invention is directed to a method for detecting and documenting exhaust-gas relevant malfunctions of a vehicle having an internal combustion engine. The method includes the steps of evaluating the operating state of at least one component of the internal combustion engine in a circuit arrangement to delimit faults, which are caused by improper operation of the vehicle, relative to faults based on defects of the vehicle system; and, outputting a fault announcement and storing the fault announcement in a fault memory in dependence upon the operating state of the component.

REFERENCES:
patent: 4094191 (1978-06-01), Goetsch et al.
patent: 4430980 (1984-02-01), Pidgeon
patent: 5386721 (1995-02-01), Alvizar
patent: 5499538 (1996-03-01), Glidewell et al.
patent: 5609140 (1997-03-01), Kramer et al.
patent: 5701863 (1997-12-01), Cemenska et al.

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