What are some of the key milestones in spark plug history?

Causes of Carbon Fouling: · Continuous low-speed driving and/or short trips · Spark plug heat range too cold · Air-fuel mixture too rich · Reduced compression and ... Apr 13, 2023 ... The unburnt carbon will be deposited on the spark plug, causing carbon build-up. ... Every car has an oxygen sensor, which monitors the air and ... Jun 7, 2016 ... If you ride fast, using a lot of engine speed the hotter spark plugs can cause pre-ignition (pinging), so you'll have to use your own judgment ... Aug 4, 2010 ... ... abnormally rich mixture, which tends to cause the sooting and fouling of the front spark plugs with carbon. As soon as enough soot from too ... It only took one change of spark plugs about 30 hours ago. Some ... A "weakness" in the ignition system will cause cause either a comeplete shut ... Apr 8, 2013 ... The resistors are there to supress radio frequency interference, which can cause the TCI to malfunction (weak spark, mis-timed spark), or even ... Jun 25, 2013 ... Carbon fouling occurs when the spark plug firing end does not reach the self-cleaning temperature of approximately 450°C (842°F). Carbon ... Nov 24, 2020 ... Having a bit of a problem with carbon fouled spark plugs on my 1955cc engine in a split bus. It had an external oil cooler and never seems to get very hot. Feb 17, 2016 ... May not be a fuel problem. Weak spark will cause the same thing, carbon fouling. First question, dry foul or wet? Wet is oily, and could ... Dec 31, 2020 ... Spark plugs fouled with black residue, often greasy in quality. After cleaning off plugs, she starts/runs well, for a few more weeks, then ...