Air-fuel ratio feedback control apparatus and method for...

Details Air-fuel ratio feedback control apparatus and method for... Air-fuel ratio feedback control apparatus and method for...

2007-10-16

2007-10-16

Wolfe, Jr., Willis R. (Department: 3747)

Internal-combustion engines

Charge forming device

Including exhaust gas condition responsive means

C701S109000

Reexamination Certificate

active

11293099

ABSTRACT:
A feedback control of an air-fuel ratio of an internal combustion engine is performed in such a manner that when fuel injection is resumed from a condition where fuel injection is stopped due to deceleration running, air-fuel ratio feedback control is resumed once the output from an air-fuel ratio sensor indicates an air-fuel ratio less than or equal to a threshold value SL.

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