The purpose of Valve Ports is to let exhaust gases out of the cylinder and to let air and fuel mixture into the cylinder!
The ports of the angle valve ( Inlet and outlet) are oriented at an angle 90 deg.
You can clean the E GR valve by removing the valve and soaking it in a cleaning solvent. You can clean the ports with the same solvent. Wipe everything dry after cleaning.
The ephemeral or scratch ports can be used for any purpose. They are transient and temporary, and any process may use them for whatever reason they want. These ports do not have a specific or reserved purpose in what they do.
The purpose of the valve spring is to maintain contact between the components in the valve train, so the valve motion will follow the cam profile.
The purpose of the valve spring is to maintain contact between the components in the valve train, so the valve motion will follow the cam profile.
first check for battery voltage to the valve by probing the wires of the electrical connector with a volt-meter it should be about 10.5 volts if not it's probably bad.next remove the valve and check the pintle inside the valve ports for excessive carbon deposits clean the valve ports and pintle with carburetor cleaner and replace the valve if idle does not improve replace the isc valve with a new one.
ports protocol
It hooks up to the vacuum ports on the carb or intake.
The return oil ports are stopped up.
The ports diagram for the ega valve area can be found in the vehicle service manual. The manual can be purchased through most auto parts and may be available for borrow at the public library.
To move the valve down as the camshaft rotates.
You have to setup a router and open the ports in the router for this purpose. But Pacenet have blocked many ports so you can go to their local office and ask them to open the ports.