How to read color of spark plugsspark plug resistance test with
Reading Spark Plug Color. Dark brown or black spark plug: Web the color and texture of a spark plug’s electrodes are key indicators for diagnosing engine problems, as well as letting you know how to tell if a spark plug is bad.
How to read color of spark plugsspark plug resistance test with
The electrodes—center and ground—are covered in an ashy coating. That means nothing goes wrong, and your engine is operating well. Web the most obvious and easiest way to read spark plug color is by looking at the firing tip. By examining the spark plug insulator color, an experienced personal watercraft engine tuner can determine valuable information about the engine's overall operating condition. Web a plug that has racked up miles should have a brownish or grayish color on the insulator and electrodes, but some gas additives have been known to turn fresh insulators blue, pink or purple. This is a common baseline goal with many tuners. Web if you want to tune for max. Web spark reading is designed to highlight the best stories for your child’s reading level and interests, empowering them to pick the perfect story to stay engaged with their learning. Web the final area to examine is the ceramic. Follow the steps below to learn how to read your car’s spark plug.
It is usually tan or brown in color. Web 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. Oil fouled (see valves or piston rings.) white, no color on spark plug: If you see the porcelain take on a shine then it is time to change the plugs because the glass that is in the porcelain has been melted and has glazed the surface. The electrodes—center and ground—are covered in an ashy coating. Web a fouled or bad spark plug is a plug that has become covered with a substance like oil, fuel or carbon or one that is blistered from running too hot. The other obvious way to read spark plug color is by examining the electrodes. The pictures are about as good as i could find on the web, and guessing these are 30 years if a day. Everything is just fine with your spark plug; Half of the ring around the spark plug shows discoloration from heat. These are usually brown in color and may have some slight wear.
