Rubuta ci gaba don wannan sakin layi - A farkon kakar 1984, Ayrton Senna ya rubuta rashin nasararsa ta cancanci zuwa Formula One Grand Prix. A zagaye na hudu na gasar, San Marino Grand Prix
A Imola, Toleman ya yanke shawarar kada ya yi amfani da motocin su a lokacin da aka cancanta a ranar Jumma'a bayan da ya yi jayayya da mai sayarwa na taya Pirelli. Daga nan Senna ya sha wahala matsalar matsin mai a cikin taron ranar Asabar wanda ya bar shi a gefen nesa na kewayen tsakanin Tosa da Piratella. Bai sami damar dawowa cikin rami a kan lokaci don cancanta don tseren ba, mafi kyawun lokacinsa na 1: 41.585 yana da jinkiri na 13.068 seconds fiye da lokacin da mai kare Gwarzon Duniya Nelson Piquet ya kafa a cikin Brabham-BMW don da'awar matsayi yayin da yake da jinkiri na 2.637 seconds fiye da na 26 da na karshe mai cancanta Jo Gartner.