What are the causes of spark plug failure?

1 Answers
SanBentley
07/29/25 9:47pm
Spark plug failure can be caused by excessively rich fuel-air mixture in the car, leading to carbon deposits accumulating on the spark plug electrodes from unburned fuel. This results in abnormal phenomena such as misfiring and damage, necessitating timely replacement of new spark plugs. Spark plugs ignite gasoline by generating sparks, working in coordination with the vehicle's ignition system and fuel supply system to enable engine operation, significantly influencing engine performance. Spark plugs can be categorized into cold-type and hot-type based on their heat range, and silver alloy or platinum alloy spark plugs based on electrode material.
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