The procedure is to fill the injector cleaning tank with regular unleaded gasoline, disable the vehicle fuel pump by removing the fuel pump relay and disconnecting the oil pressure switch connector, connect the J 35800-A to the vehicle fuel rail, turn the ignition to the OFF position, disconnect the J 35800-A from the fuel rail, remove the J 37287, or J 42964-1 and J 42964-2, or J 42873-1 and J 42873-2 and reconnect the vehicle fuel feed and return lines, and then road test the vehicle to verify that the customer concern has been corrected.
By BobGM Specialist
01/11/2022