To use this injector, first make sure your vehicle is turned off and cooled down. Locate the old injector and carefully remove it, then install the new AP60801 injector in its place. Make sure all connections are secure. When handling the injector, be gentle to avoid any damage. For maintenance, it's a good idea to check the injector regularly for any signs of leaks or wear. If you notice any issues, replace the injector as soon as possible. Also, always use high - quality fuel to keep the injector working smoothly.