We recommend cleaning the valve annually as follows.
Remove the air box from the top side of the fuel device as directed in the relevant subsection in part "IN" this chapter (chapter "Multec injection systems").
Disconnect the vacuum hose from the valve.
Remove the two bolts and remove the valve from the intake manifold. Remove the gasket.
Thoroughly clean the mating surfaces of the intake manifold and valve with a stiff brush.
If the old valve needs to be reinstalled, remove any deposits from the valve seat with a brush or some sharp tool. Be careful not to damage the valve seat.
Install the valve with a new gasket, then install the vacuum hose and air box.
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