This video describes in detail the best process to examine a spark plug and assess its condition.

Learning how to properly read a spark plug for issues or needed replacement can save you a lot of time and money down the road - let Champion show you how.

Cause: General wear (spark plug has come to the end of its life). However, the greyish tan/white colour indicates that the plug is the correct heat range and also that the fuel/ignition systems …

Apr 29, 2016 · With help from the spark plug experts at NGK, we’ll teach you how to diagnose minor tuning issues or potentially major engine problems by examining your spark plugs. …

mixture setting (carburetor fuel injection); mixture too rich, air filter very dirty, automatic choke not in order or manual choke pulled too long, mainly short-distance driving, spark plug too cold, …

Feb 15, 2025 · Discover how to read spark plugs with our detailed guide. Identify conditions and know when to replace or repair them.

Want to diagnose engine issues fast? Learn how to read spark plugs, identify rich or lean conditions, spot oil burning, and use a spark plug color chart for easy analysis.

Dec 18, 2023 · In general, a light tan/gray color tells you that, the spark plug is operating, at optimum temperature. And, that the engine, is in good condition. Dark coloring, such as heavy …

Mar 10, 2025 · Learn how to read a spark plug so you can know how your vehicle is performing, foresee potential problems and take care of them early, and have the knowledge of when to …

Combustion deposits are slight and not heavy enough to cause any detrimental effect on engine performance. Note the brown to greyish tan color, and minimal amount of electrode erosion …