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Home >> Volkswagen >> 1987 >> Quantum Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> BOSCH Cis-E System >> Adjustments >> Throttle Valve Housing >> Notes

Throttle Valve Housing: Notes

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NOTE: Stop screw is set by manufacturer and should not be moved.

If basic factory setting has been changed, turn throttle stop screw counterclockwise until there is a gap between stop and screw. Turn screw in until it just touches stop. Turn screw 1/2 turn (180 degrees) further. Check and adjust idle speed and CO.