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Question posted by marshallgreen1109 on May 26th, 2021
Carburetor Solenoid
Current Answers
Answer #1: Posted by Vikram1984 on May 26th, 2021 8:20 AM
A solenoid is a mini-electromagnet. It contains a piston surrounded by a metal coil. When "activated" by an electrical charge, the piston snaps into place between two electrical contacts and completes the circuit that sends electrical energy to the component it is attached to. There is a starter solenoid, and, in some vehicles, a carburetor solenoid.
Starting the EngineYour carburetor's power source is the battery in your vehicle. Without the action of the solenoid, the battery would power that carburetor even when the engine is shut off. The solenoid receives a charge when you turn the ignition which activates the small electromagnet inside and completes the circuit, turning on the carburetor. This allows you to start the vehicle because the carburetor is ready to start mixing the fuel and air combination that makes the engine turn on.
Stopping the EngineWhen the engine is shut off, the solenoid cylinder falls to the bottom of the coil surrounding it, ending the power flow to the carburetor. With no power to continue mixing the fuel and air, the engine chokes and stops running altogether.
REFERENCES
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