Carbon monoxide is an odorless, colorless gas that is present in the exhaust produced in gasoline engines. Symptoms of carbon monoxide poisoning may include nausea, dizziness, confusion, headache and fainting. Exposure to carbon monoxide in large amounts or for a long duration results in death. Use a Carbon Monoxide Detector . This is available for only N1, 200. Call 08033912991, 08033464575, 08079937803, 018798163