Why Does a Newly Replaced Spark Plug Accumulate Carbon Deposits Quickly?

[SarahLee]

There are three reasons why a newly replaced spark plug accumulates carbon deposits quickly: insufficient ignition strength or incorrect model of the spark plug; poor fuel quality leading to incomplete combustion; or the vehicle experiencing oil burning. Carbon deposits are a major cause of various engine malfunctions, so it is necessary to regularly clean the engine's carbon deposits. The spark plug is a crucial component of 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. Steps for replacing a spark plug: Open the hood, lift the engine's plastic cover, remove the high-voltage distributor wires, and mark each cylinder's position to avoid confusion. Use a spark plug socket to remove the spark plugs one by one. While removing them, check for any external debris like leaves or dust and ensure everything is cleaned thoroughly. Place the new spark plug into the spark plug hole, hand-tighten it a few turns, and then use the socket to tighten it further. Reinstall the removed high-voltage distributor wires according to the firing order, and snap the cover back into place.