How often should the original spark plugs of the Lingdong be replaced?

1 Answers
DelVincent
07/30/25 9:10am
The original spark plugs of the Lingdong should be replaced when the car has traveled 30,000 kilometers. The function of the spark plug is to introduce the high-voltage electricity generated by the ignition coil into the engine cylinder, creating a spark between the electrodes of the spark plug to ignite the air-fuel mixture. The components of a spark plug include the terminal nut, insulator, terminal stud, center electrode, side electrode, and shell. Precautions to take when replacing spark plugs are: 1. When removing the high-voltage wire, do not pull it forcefully or shake the spark plug insulator, as this may damage the performance of the spark plug; 2. Wait until the engine has completely cooled down before opening the engine cover, and be careful not to let external oil and dirt enter the cylinder; 3. Keep the spark plug electrodes and sealing washers clean; 4. When installing the spark plug, align it with the socket and slowly screw it in, tightening it firmly after it is halfway in; 5. Tighten the spark plug according to the principle of vertical installation and removal.
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