Also, a fast-idle cam makes the engine idle more quickly when it is cold, thereby avoiding stalling the engine. There are ... On the 32PDSIT carburetors used in the Volkswagen 1600, there is a vacuum piston which automatically modifies the choke valve position to better suit engine operating conditions. ... Idle (Low- Speed) System The operation of the idling circuit is illustrated in the diagram on page 84.
|Title||:||Repair and Tune-up Guide for the Volkswagen|
|Author||:||John Milton, Ronald M. Weiers|