My 2004 ford focus 2.0L dohc. Is running hot. I've done all I know to do changed water pump thermostat and housing used stop leak. It's no longer leaking water at all but the car is still running hot when sitting still the fans work as long as the a/c is on so I don't know what else to do. Water level is consistent im out of ideas. Please help this is my wife's car and it is impossible to live with one vehicle.