Mike's Workshop Manuals
: Service manuals for every vehicle
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Honda
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1987
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Civic Base, 2D Hatchback
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Repair and Diagnosis
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Engine Performance
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System
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Carburetor - KEIHIN 2-Bbl
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Testing
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Power Valve
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Notes
Power Valve: Notes
NOTE:
The power valve opens as vacuum is reduced and supplies supplementary fuel into main fuel passage when vehicle is in power mode (under acceleration).