What are the symptoms of a car spark plug failure?

Introduction What are the symptoms of an automobile spark plug failure? Typically, spark plug problems lead to poor engine operation, such as difficulty starting, rough idling, poor acceleration, backfiring during emergency refueling, and exhaust fumes.

What are the symptoms of a car spark plug failure?

Symptoms of the Problem Generally, spark plug problems will cause the engine to malfunction, such as difficulty starting, rough idling, poor acceleration, backfiring when refueling. emergency, excess exhaust gas, increased fuel consumption and other abnormal phenomena. . If carbon deposits in the engine get worse, the valves may fail to close tightly, resulting in a certain cylinder stopping completely due to lack of pressure in the cylinder, or even blocking of the valve to prevent it from returning to its original position. At this time, the valve and piston will hinder movement, possibly damaging the engine.

Detailed information:

The working principle of the spark plug

The electrical plate of the spark plug lights the spark plug The cylinder thanks to a generation ofenergy and repeated and continuous ignition. At this time, other parts of the ignition system generate high-voltage electrical pulses timed to form sparks and generate explosions to provide the energy needed to power the engine.

The structure of the spark plug consists of a thin metal plate passing through an insulating ceramic material. There is a metal shell around the bottom of the insulator, which is tightly spiral screwed. At the cylinder head, an electrode is welded to the bottom of the metal shell to form a grounding effect with the car body.

Reference Materials: Baidu Encyclopedia-Spark Plug

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