How do you clean egr valve on a Camry 93?

To clean the EGR valve on a 1993 Toyota Camry, first, disconnect the negative battery terminal and remove the EGR valve from the engine. Clean any carbon buildup using a throttle body or carburetor cleaner and a soft brush or cloth, ensuring all passages are clear. Rinse the valve thoroughly and allow it to dry before reinstallation. Finally, reattach the EGR valve, reconnect the battery, and start the engine to ensure proper operation.