![]() ![]() Pulsewidth : the length of time the engine computer applies electricity to the injector, or how long the injector is commanded to be open.Injector : a special type of solenoid that allows fuel to flow through it when energized ( more).It operates by using electricity moving through a coil to generate a magnetic field which moves a plunger. Solenoid : a solenoid is an electromagnetic electromechanical device.AFR, Air – Fuel Ratio : the ratio between how much air and how much fuel an engine is receiving or how “lean” or “rich” it is running.ECM, ECU, Engine computer : used interchangeably to mean the computer operating the fuel injectors and running the engine. ![]() Understanding your fuel injectors is one of the most important things you can do to ensure that fueling is appropriate for your engine. ![]()
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January 2023
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