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pmsh | 1 year ago

If the engines are direct injected rather than port injected, they can just delay fuel injection until the intake valve is closed, and no fuel should be pushed back into the intake manifold.

I have read that modern Toyota engines use both port and direct injection, but am not sure what the Prius does.

discuss

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pfdietz|1 year ago

You want both to keep the intake valves clean, yes?