Engine controller

Details Engine controller Engine controller

2011-07-05

2011-07-05

Kwon, John T (Department: 3747)

Internal-combustion engines

Engine speed regulator

Idle speed control

C123S690000

Reexamination Certificate

active

07971570

ABSTRACT:
An engine controller for a vehicle equipped with an emission reduction apparatus determines whether the emission reduction apparatus has malfunction. When it is determined that the emission reduction apparatus has malfunction an execution of an idle shutdown control process is permitted. When a predetermined condition is established during an engine idling, the engine is automatically shut down. On the other hand, when it is determined that the emission reduction apparatus has no malfunction, the execution of the idle shutdown control process is prohibited.

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