Method for control of a diagnosis of a catalyst in the...

Details Method for control of a diagnosis of a catalyst in the... Method for control of a diagnosis of a catalyst in the...

2006-12-12

2006-12-12

Tran, Bihn Q. (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

Having sensor or indicator of malfunction, unsafeness, or...

C060S274000, C060S276000, C060S284000, C060S285000

Reexamination Certificate

active

07146798

ABSTRACT:
A control for diagnosing a catalytic converter in the exhaust gas of an internal combustion engine having means for determining the catalytic converter temperature is presented. The diagnostic method is carried out in dependence upon the catalytic converter temperature. In the diagnosis, only such results are used which have been determined below a threshold value for the catalytic converter temperature.

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