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Home >> Hyundai >> 1986 >> Excel Base, 4D Hatchback >> Repair and Diagnosis >> Engine Performance >> System >> Feedback Carburetor System >> Operation >> Vacuum Switch
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Vacuum Switch

The vacuum switch is mounted on instrument panel and is activated when throttle valve is at closed (idling) position. Vacuum switch signal is sent to ECU for use in controlling fuel delivery and secondary air management.

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