EGR Valve: Notes
The EGR valve used with every system is a vacuum-operated valve. When the valve is open, exhaust gas recirculation can occur. When closed, the valve seals off all exhaust gas movement. Four types of these valves are used:
The EGR valve used with every system is a vacuum-operated valve. When the valve is open, exhaust gas recirculation can occur. When closed, the valve seals off all exhaust gas movement. Four types of these valves are used: