Exhaust leak detection

Details Exhaust leak detection Exhaust leak detection

1993-11-22

1994-12-13

Raevis, Robert

Measuring and testing

Vehicle chassis

Steering

73 46, G01M 1500

Patent

active

053720369

ABSTRACT:
A method of operating an engine detects an exhaust leak from the engine exhaust of an internal combustion engine using engine operating parameters. Signals from an exhaust gas oxygen sensor downstream of a catalyst indicates a leak if the signals are smaller than a predetermined constant.

REFERENCES:
patent: 3998095 (1976-12-01), Tinkham et al.

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