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Original Spark Plug Model for Classic Focus

1 Answers

JayceAnn

07/29/25 11:58pm

Classic Focus spark plug model is TR6F13. What does a spark plug consist of: A spark plug mainly consists of terminal nut, insulator, terminal stud, center electrode, side electrode and shell. What types of spark plugs are there: Main types of spark plugs include: standard spark plug, extended insulator spark plug, electrode spark plug, seat spark plug, pole spark plug, surface gap spark plug. How does a spark plug work: Under high voltage, the air between the center electrode and side electrode of the spark plug will rapidly ionize, forming positive ions and negative free electrons. When the voltage between electrodes reaches a certain value, the number of ions and electrons in the gas increases like an avalanche, causing the air to lose its insulation property. A discharge channel forms in the gap, resulting in "breakdown" phenomenon. At this moment, the gas forms a luminous body, namely "spark". Along with thermal expansion, a "snapping" sound also occurs. The temperature of this electric spark can reach 2000-3000°C, which is sufficient to ignite the air-fuel mixture in the combustion chamber.

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