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Influence of fuel impurities on the consumption of electrodes in spark plugs

The paper attempts to determine the impact of fuel impurities on the value of fuel energy spark discharge and the wear of spark plug electrode. Spark plugs were analyzed in two typical configurations of the ignition system. For the analyzed systems, a number of tests to determine the wear of spark plug electrode subjected to different types of impurities were conducted. The value of spark discharge energy for new and worn spark plugs was calculated.