Engines need the right conditions to perform properly. If temperatures drop too low, gasoline can have problems evaporating, making it harder to burn. Extreme humidity can also have an effect on fuel's performance. Gumout? starting fluid helps engines start in all types of extreme weather, while conditioning fuel and engine parts to prevent friction and corrosion.

To promote quick starting of gasoline and diesel engines under extreme cold conditions down to -65 deg F. Saves battery and ignition during cold weather. Contains upper cylinder lubricant and corrosion inhibitors. Spray fluid directly into air cleaner of air intake before starting engine. Avoid spraying for over 5 secs per attempt. If engine still refuses to start repeat procedure for up to 3 times. Aerosol can.