#120d

Hi all i want to find out if you have had one of these codes and what the problems were , thanks in advance

Hi everyone, trust you are well. I wanted to find out what you gents/ladies get on fuel consumption? Currently im getting 8-9L/100Km on my F20 120D mix driving mostly town/traffic, is this normal ? When i drive hard its pretty thirsty although its tuned so thats understandable. Thanks in advance