HEVROLET OPTRA MANUAL 2005 VIBRATING WHILE IN IDLE MOOD, I CHANGED PLUGS AND ITS CABLE BUT STILL HAS THE SAME PROBLEM AND SHOW CHECK ENGINE ICON.AND ALSO FEELS JERKY WHILE DRIVING MOOD.
HEVROLET OPTRA MANUAL 2005 VIBRATING WHILE IN IDLE MOOD, I CHANGED
PLUGS AND ITS CABLE BUT STILL HAS THE SAME PROBLEM AND SHOW CHECK
ENGINE ICON.AND ALSO FEELS JERKY WHILE DRIVING MOOD.