Method and system for operating automotive internal combustion e

Details Method and system for operating automotive internal combustion e Method and system for operating automotive internal combustion e

1991-12-13

1993-10-05

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Alternate or simultaneous lean-rich

123491, F02D 4106

Patent

active

052495604

ABSTRACT:
A system and method for operating an automotive internal combustion engine during start-up includes steps of sampling at least one operating parameter of the engine, comparing the sampled parameter to a predetermined range for such parameter, and in the event that the sampled parameter falls outside of the predetermined range, operating some of the engine's cylinders according to a base fuel schedule, while reducing the time-averaged amount of fuel provided to the remaining cylinders. Once the sampled parameter falls within the predetermined range, all cylinders of the engine will be operated according to the same fuel schedule.

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