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Injector Deadtime

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Hi

I’m still not understanding the Injector Injector Deadtime meaning, I have confused about battery voltage with the dead time.

Them Injector Deadtime mean is when injector opening?.

https://www.youtube.com/watch?v=Id7zc4NjQfE

check this video for some help on this

Thanks Ross

another think I don’t understand , the fuel pressure increase why it becomes harder to open the injector?

because the fuel pressure is pushing the valve closed, so it takes more force (or longer for the same force) to open the valve.