Just got my 320 back from the shop a few weeks ago after a major collission and now I have the po442 code small leeak any idea where to start looking.Code cleared after scanner and retighten gas cap.....But would like to check vacum lines,Thanks Devil dog

Fuel vapor lines just behind the spart tire ON the fuel tank assembly.

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Ok MB Doc Thanks will check them.Wife complained of a burning smell then light.Do those lines come loose or crack are they metal or rubber.I"ll look into it as soon as I can right now the light is out.