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  3. MANIFOLD HEAT CONTROL VALVE

MANIFOLD HEAT CONTROL VALVE

The Manifold Heat Control Valve Forces hot exhaust gases up around the base of the carburetor and intake manifold to warm the fuel-air mixture. If additional heat is not supplied, the gasoline can easily condense back into a liquid as the fuel-air mixture comes in contact with the inner surfaces of the intake manifold. This improper fuel mixture typically causes rough idle, reduced power on acceleration, and engine stall.