I-Throttle Sensors (TPS) zizinto ezibalulekileyo kwiinkqubo zolawulo lwenjini zale mihla, ikakhulu inoxanduva lokubeka iliso indawo yevalve ye-throttle kwiinjini zomlilo zangaphakathi. Ngokubonelela ngengxelo yexesha lokwenyani kwindawo ye-throttle kwiyunithi yolawulo lwe-injini (i-ECU), i-TPS iqinisekisa umxube ofanelekileyo womoya. nokuphucula ukusebenza kwenjini. Le ngxubusho ijolise ekukhanyiseni