The contact owns a 2013 Ford Explorer. The contact stated they had taken their vehicle to a local dealer for a crack in the water pump which the dealer repaired, After the repair, the contact noticed a burning abnormal odor when turning on their heat from their a/c unit, which caused the contact and his passenger to become light-headed and dizzy. The contact drove to a local hospital where it was confirmed that the reason for the symptoms was due to high level of carbon monoxide levels. The contact called the local dealer about the abnormal odor but the dealer informed the contact they would not be able to fix the issue and inform the contact to reach out to the manufacturer for the failure. The contact decided to take the vehicle's independent mechanic who diagnosed the failure as small oil leaks around the engine that contribute to the odor coming into the interior of the vehicle. The vehicle was not repaired. The manufacturer was made of failure. The failure mileage was approximately 129,000.