Fuel injection controller for in-cylinder direct injection engine

DRIVE June 23, 2004
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A fuel injection controller (40) of a cylinder injection engine (10) selects a fuel injection mode from various fuel injection modes in accordance with the operating state of the engine. The modes include an intake stroke injection mode, in which fuel is injected during an intake stroke, and a compression stroke injection mode, in which fuel is injected during a compression stroke. The controller comprises a compensating means for performing a compensation, which decreases the amount of fuel injected in the intake stroke injection mode, when the fuel injection mode is changed to the intake stroke injection mode from the compression stroke injection mode when the engine is cool. The compensation continues for a predetermined time from when the fuel injection mode is changed to the intake stroke injection mode.

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