I own a 2nd gen toyota vios 1.5g MT. Ask ko lang po other vios owners kung naexperience niyo ito. When applying sudden force in the accelerator, parang medyo garagal ang sound pagaccelerate (yung engine medyo nagtutunog truck) although this doesn't happen pag slight lang naman ang pagaccelerate. Minsan kasi pagnagovertake, kailangan medyo biglaan magaccelerate. Any insights?