Watch: Keep wax buildup out of your diesel engine in cold weather

Watch: Keep wax buildup out of your diesel engine in cold weather

Cold weather is especially difficult on diesel engines. This is because a percentage of diesel fuel is made of paraffin wax molecules that give diesel that little extra little “umph” in the stored energy department. While these wax molecules are completely harmless in warmer temperatures, if the fuel gets cold enough this wax can crystallize and form a gel-like consistency that will clog the truck’s fuel filters.

Cold weather is especially difficult on diesel engines. This is because a percentage of diesel fuel is made of paraffin wax molecules that give diesel that little extra little “umph” in the stored energy department. While these wax molecules are completely harmless in warmer temperatures, if the fuel gets cold enough this wax can crystallize and form a gel-like consistency that will clog the truck’s fuel filters.

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