How to Choose and Replace Spark Plugs?

[ElizabethLynn]

Methods for choosing spark plugs: 1. Select spark plugs with the same size; 2. Choose spark plugs with consistent thread diameter; 3. The thread length of the spark plugs should be identical; 4. Select spark plugs with a reasonable heat range; 5. Opt for spark plugs made of high-quality materials. Methods for replacing spark plugs: 1. After opening the engine hood, locate the position of the spark plugs and remove the engine decorative panel; 2. Disconnect the high-voltage coil connector and use a socket to remove the fixing bolts; 3. After loosening, use a magnetic rod to extract the spark plug; 4. During installation, use the magnetic rod to hold the new spark plug, align it with the hole, and insert it. Install all spark plugs following the same method.