I have a lexus is200 x reg recently my engine managment light and the trc lights came on so i got my diagnosied and i was told all my coils are fine and i was told to change my spark plugs so i got all 6 spark plugs changed but the engine light and trc lights are still on and the car drives fine for about 20 minutes and then the lights start to flash and i have to put my foot down on thew accelorater to getr the car to pick up speed some one told me one of my fuel injector is faulty can someone please help me.
