Does the fuel injector need cleaning?

[McEmilio]

Fuel injectors need to be cleaned. Long-term failure to clean the fuel injectors of a car engine can lead to excessive carbon buildup in the vehicle, affecting its power. The method for cleaning fuel injectors is as follows: 1. Remove the fixing screws of the fuel rail; 2. Shake the fuel rail and remove it to avoid damaging the fuel injector sealing ring; 3. Ensure the negative terminal of the battery is always disconnected; 4. Remove the fuel injector from the fuel rail; 5. Connect the fuel injector with a homemade fuel injector plug and wire; 6. Use the pressure of carburetor cleaner to replace the actual fuel supply pressure; 7. Always keep the wire connected to the positive terminal of the battery; 8. Simulate the fuel injection state by connecting the wire to the negative terminal along with the use of carburetor cleaner to achieve the cleaning purpose; 9. Clean the head of the fuel injector; 10. Install the fuel rail, paying attention to the position of the fuel injector clip and the fuel injector sealing ring.