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Peak & Hold Injector current settings


banaro
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Hi,

using sequencial injection, 1 peak and hold injector per driver, the injectors have a 2 ohm coil rating, which implies peak current should be about 6amps, but no idea on the hold current, what peak and hold current settings should i use?, and how does the ecu use this info?

Thanks

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If the manufacturer doesnot provide this data, then I would do 5A peak and 1.5A hold for a 2ohm injector.  The general rule of thumb is for the peak do about 25% less than ohms law would calculate based on coil resistance then for the hold current use a 4:1 P/H ratio.

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