THE VEHICLE ENGINE WAS RUNNING VERY RUFF AFTER START THEN SHORTLY AFTER THE ENGINE LIGHT CAME ON. THE FAULT CODES ON THE ENGINE LIGHT WAS A NUMBER TWO AND THREE CYLINDER MISFIRE. THE VEHICLE WAS TAKEN TO THE DEALERSHIP FOR ANALYSIS. THE DEALERSHIP STATED THE HEAD GASKET WAS LEAKING BETWEEN THE NUMBER TWO AND THREE CYLINDERS (NO COOLANT WAS LEAKING OUTSIDE THE ENGINE). THE DEALERSHIP ATTEMPTED TO REMOVE THE HEAD, BUT THE FIRST BOLT STARTED TO STRIP AND THE TECHNICIANS STOPPED AT THAT POINT. I WAS INFORMED THAT THE ENGINE WAS NOT REPAIRABLE AND THE REPLACEMENT COST WAS $4,600 FOR A USED 80,000 MILE ENGINE. I TOOK THE VEHICLE TO A LOCAL SHOP AND HAD THE ENGINE REPLACED WITH A 30,000 MILE ENGINE FOR $3,000. COMPLAINTS LIKE THIS ONE (THE HEAD BOLTS STRIPING OUT THE ALUMINUM ENGINE BLOCK) ARE ALL OVER THE INTERNET. TOYOTA SHOULD BE RESPONSIBLE FOR THESE DESIGN FLAWS. 1) THE HEAD GASKETS SHOULD NOT BE FAILING ON VEHICLES WITH LOW MILLAGE. 2) THE HEAD BOLTS SHOULD BE REMOVABLE WITHOUT DAMAGING THE ENGINE.