Rick's Free Auto Repair Advice

Posts Tagged: throttle body and throttle plate

Throttle body and throttle plate

What is a throttle body and throttle plate? A throttle plate in a carbureted engine In older carbureted engine, the throttle plate is a circular disc that sits in a circular passage and regulates the amount of air coming into the engine based on the driver’s accelerator pedal. When the driver presses on the pedal, a cable running from the pedal to the carburetor rotates the throttle plate. The air passing through the carburetor venturi creates suction which pulls gas from the carburetor bowl through metering jets and into the … Read More

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