4g15 carburetor - egr vacuum diagram part 1

Memahami bagaimana egr berfungsi dan seterusnya memadankan hose vacuum egr
With this system, the exhaust gas is partially recalculated from an exhaust port in the cylinder head into a port located at the intake manifold below the carburetor. The EGR flow is controlled by an EGR control valve attached to the intake manifold. With this arrangement, the EGR control valve is activated by carburetor vacuum drawn from a little above the throttle valve so that the EGR flow is modulated to attain effective oxide of nitrogen reduction, but is suspended at idle and wide-open throttle operations.