What material is the spark plug of Geely Emgrand made of?
2 Answers
Geely Emgrand spark plugs are made of platinum. What does a spark plug consist of: A spark plug mainly consists of a terminal nut, insulator, terminal stud, center electrode, side electrode, and shell. What types of spark plugs are there: The main types of spark plugs are: standard spark plugs, projected insulator spark plugs, electrode spark plugs, seat spark plugs, pole spark plugs, and surface gap spark plugs. How does a spark plug work: Under high voltage, the air between the center electrode and the side electrode of the spark plug rapidly ionizes, forming positively charged ions and negatively charged free electrons. When the voltage between the electrodes reaches a certain value, the number of ions and electrons in the gas increases like an avalanche, causing the air to lose its insulating properties and forming a discharge channel in the gap, resulting in a "breakdown" phenomenon. At this point, the gas forms a luminous body, known as a "spark." Along with the thermal expansion, a "snapping" sound is also produced. The temperature of this electric spark can reach as high as 2000-3000°C, which is sufficient to ignite the air-fuel mixture in the cylinder combustion chamber.
I've been driving a Geely Emgrand for several years, and the spark plugs are usually made of nickel alloy, which is economical and practical. The choice of nickel alloy material is mainly because it's durable and affordable, suitable for daily city commuting. From my experience, the original factory configuration uses this type, with a lifespan of about 20,000 kilometers before needing replacement. If not replaced in time, it can cause ignition issues and affect engine performance. The quality of the spark plug material directly impacts fuel consumption and startup speed. Platinum or iridium spark plugs are more advanced, providing more stable ignition and longer lifespan, lasting up to 40,000 kilometers before needing replacement. Last time I upgraded to platinum ones, my fuel consumption dropped slightly, and the power delivery became smoother. However, the Emgrand is a family car, and the original factory ones are sufficient. When replacing them, check if the electrodes are eroded. Regular maintenance of spark plugs is crucial; cleaning carbon deposits periodically can extend their lifespan. Overall, driving comfortably while saving money and hassle is the key.
