Filata kaiyawayya yana iya duba wanda ya kamata amfani da system taraiya na engine. System filata kaiyawayya suka worked don samun mataki gare da kaiyawayya suna zuciya da aka circulate. Suna elements turai da engine oil mai shi dirt, metal shed don normal combustion, waste products from combustion, etc. Filata kaiyawayya ya same sai an yi samun mataki gare da aka cause harm turai da system. Filata kaiyawayya don aiki efficiently yana iya duba don maintain quality kaiyawayya, level of lubrication parts da zama aikin engine.
