Mga bossing question(s) lang...

My brother's finacee's car is having some problem with the engine...
kumakain daw ng langis and hindi makita kung saan yung tumatagas...
he wants it to undergo an overhaul but I advise him to undergo a compression test first para malaman yung extent ng problem and not overhaul basta basta...
what are the other possible suspects if oil drip is not visible...
the car is a 97/98 1.3L corolla m/t lovelife (tama ba???) he says that the car feels underpowered...

thanks