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Home >> Volkswagen >> 1989 >> Vanagon GL Syncro, Van Passenger >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Theory/Operation >> Computerized Engine Controls >> Input Devices >> Throttle Valve Switch
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Throttle Valve Switch

This switch supplies control unit with information that throttle valve is closed. If engine is above 1500 RPM with throttle closed, fuel will be shut off to the injectors. At idle speed, this switch signals control unit to regulate amount of fuel injected.

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