DLLA150P1614 ndi jekeseni wamafuta a dizilo, amafunikira kuyang'aniridwa nthawi zonse ndikukonza kuonetsetsa kuti jekeseni wamafuta wamba ndikuchita bwino. Pambuyo pakugwiritsa ntchito nthawi yayitali, jekeseni wamafuta angafunikire kusinthidwa kuti asunge mphamvu ndi kudalirika kwa injini.