Lately my perdana i feel like already losing pick up and my top end also doesn't look good.I'm not sure wats causing it.Anybody faced this problem on a v6!plz share wiff me.Thankz
asking on behalf of my friend, he drives a B8 Ford. He has tried quite a number of oils, but he finds the engine to be rather "rough" at 4000km. Everytime he changes the oil, everything is smooth.