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Saturated Injectors aka High Impedance Injectors
Impedance typically 12-16ohms. At 12volts, this is a draw of ~1-.75 amps.  The low current helps keep the injectors cool.
The saturated injectors see a steady 12volts, and ground is modulated to produce pulsing.
These are the stock style of injector for OBD1  and up hondas, so no resistor box is needed.
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