Remove the solenoid valve and check whether the O-ring and sealing plate in the solenoid valve need to be replaced (reminder: if you are not familiar with the intake valve, please also write down the location of the removed components, so as not to install back errors). If there is no need to replace the removed screw, O-ring, sealing piece, electromagnetic rod, core and other components into the prepared container, and into the appropriate cleaning agent immersion (note: in the selection of gasoline and water cleaning agent, please do not soak O ring and other rubber products for too long, in order to avoid corrosion);
