[Diy_efi] Running extra injectors off a stock ecu

[Eric.Fahlgren]

bcroe at juno.com wrote:
> 
> With a simple 1N4004 kickback diode, the (saturated) injector
> will be pretty sluggish closing.  How are you driving the inputs?

Bruce,

Ok, time for me to get some education.

Is this because there is a reverse voltage ring on the injector
coil?  Would this be made better by a zener to ground?  Would the
best solution be to have a pair of signals, open and close, which
control two transistors one for each of the modes?

Thanks,
Eric

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