Anot109 Bibliografické údaje: POŠTA, J. - PAVLÍČEK, R. - ŠUMOVSKÝ, R.: Provozní vlastnosti vybraných zapalovacích svíček. In. Sborník referátů 3. Mezinárodního symposia "Quality and Reliability of Machines", Slovenská spoločnost pre kvalitu, Nitra, 1998, s. 216 - 219, ISBN 80-7137-487-3 Abstract: Sparking-plug could bold affect of function of combustion engine. Their duty and claim on their reliability and live period are all along advance. Escalates their consumer price, too. Incorrect choose or alternatively incorrect function of sparking-plug increase emissions. In the paper are state the basic outputs of comparative check of sparking-plug, which are advised for combustion engines ŠKODA 1,3 MPI and 1,6 MPI. Klíčová slova: sparking-plug; comparative check of sparking-plug; emission