Vanagon F4-1915cc 1.9L (Water Cooled) (1983)
Throttle Body: Adjustments
Basic Adjustment Of The Throttle Valve
Note: Stop screw is set at factory and should not be moved. If screw position has been altered, check basic adjustment as follows
Work sequence
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Turn adjusting screw (arrow) out until gap exists between stop and screw
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Turn screw in until it just touches stop
Note: In order to determine exact point of contact with screw stop, place a thin piece of paper between screw and stop. Slide paper and turn screw at
same time until screw pinches paper.
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Turn screw clockwise additional 1/2 turn
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Check idle speed and CO; adjust if necessary