The contact owns a 2009 Dodge Ram 2500. The contact stated that there was an abnormal odor coming from the exhaust at start-up. The check engine warning light was illuminated. The vehicle was taken to a local dealer, where the vehicle was diagnosed, and the contact was informed that the exhaust manifold bolts needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 140,000. The VIN was not available.