Ubushyuhe bwa moteri yimodoka nziza yamashanyarazi ntishobora guhaza ibikenerwa byo gushyushya imbeho, bityo gushyushya imbeho nikibazo ibinyabiziga byamashanyarazi bigomba gukemura.Ubushyuhe bwiza bwubushyuhe bwiza (coefficente yubushyuhe bwiza, PTC) bugizwe nibintu byo gushyushya Ceramic Ceramic hamwe na aluminiyumu ya aluminiyumu, bifite ibyiza byo kurwanya ubushyuhe buke nubushyuhe bwo hejuru, kandi ntibyahinduwe hashingiwe ku binyabiziga bya peteroli.