How to Clean a Car Fuel Injector?

1 Answers
VonCarmen
07/29/25 1:36pm
Car fuel injector cleaning steps are: 1. Hang the cleaning device on the front hood of the car; 2. Locate the engine's fuel supply and return lines; 3. Disconnect the return line from the engine, select an appropriate adapter to plug the return line; 4. Connect the fuel supply line to the outlet of the cleaning device; 5. Open the fuel tank cap and remove the fuel pump fuse to stop the fuel pump operation. The fuel injector is a simple solenoid valve. When the solenoid coil is energized, it creates suction, lifting the needle valve to open the injector nozzle. Fuel is sprayed at high speed through the annular gap between the needle valve tip and the nozzle, forming a mist for optimal combustion.
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