If you are new to electronic fuel injection or simply don’t understand how some of the components work, Aces ♠️ is here to help. Fuel injectors are a critical component within the system. Injectors are nothing more than solenoids that receive signals from the ECU telling them when to open and for how long. The fuel sits under pressure on the backside of the solenoid, spraying fuel when the injector is open. Injectors are rated for a certain flow based on a specific fuel pressure. Raise the fuel