Does the clatter of the valve affect starting? No, it is usually the sound from the valve or the fuel injection nozzle, and the carbon canister solenoid valve also has this sound, but the sound is relatively brittle: 1. The distinguishing method is to give a little oil at idle speed to see if the frequency changes. If the frequency does not change, it is the sound of the solenoid valve. If the frequency changes, it should be the abnormal sound from the valve. If you can't hear clearly in the car, it's not a big problem; 2. The vehicle will make a corresponding clicking sound, one is the sound of the fuel injection nozzle working, the other is the sound generated by the valve
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