How do you remove and clean fuel injector 1988 nissan pickup?

To remove and clean the fuel injectors on a 1988 Nissan pickup, first ensure the engine is cool and disconnect the battery. Remove the intake manifold to access the fuel rail, then disconnect the fuel lines and unbolt the fuel rail to take out the injectors. Clean the injectors using a specialized cleaner or ultrasonic cleaner, ensuring all residue is removed, before reassembling everything in reverse order. Always replace any O-rings or seals to prevent leaks upon reinstallation.