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GDI transient behavior

EFI Tuning Fundamentals

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Dear all, in case of tuning a DI gasoline engine we do not have the fuel film formation on intake ports. However, there is some strategy for transient conditions in order to achieve a smooth AFR behavior? I imagine that change the injection pressure is a good way to achieve this, am I correct? What do you think about it?

There is some additional injection during transient throttle but as much as on a port injected engine.

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