Why is the car ignition slower?

1 Answers
ChaseLee
07/30/25 12:19am
Car ignition being slower than before may be due to issues with the spark plugs in the ignition system. Problems such as excessive spark plug electrode gap or reaching the usage limit can cause delayed ignition, and replacing the spark plugs can resolve this. Relevant information about spark plugs is as follows: 1. Introduction: The spark plug is a crucial component in the gasoline engine's ignition system. It introduces high voltage into the combustion chamber and generates a spark by jumping the electrode gap, thereby igniting the combustible mixture in the cylinder. It mainly consists of a terminal nut, insulator, terminal stud, center electrode, side electrode, and shell, with the side electrode welded to the shell. 2. Working Principle: Under high voltage, the air between the spark plug's center electrode and side electrode rapidly ionizes, forming positively charged ions and negatively charged free electrons. When the voltage between the electrodes reaches a certain level, the number of ions and electrons in the gas increases like an avalanche, causing the air to lose its insulating properties.
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