How Does a Fuel Shut-Off Solenoid Work?

A typical solenoid valve works by creating a magnetic field after receiving an electric current, which prompts the valve to open or close. In an engine with a diesel fuel shut-off solenoid, the solenoid is connected to the main electrical system of the machine. It receives an electrical current from the battery, which prompts the solenoid valve to open, allowing diesel fuel to run from the gas tank to the engine.

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