m4rcus

im new to this i can purchase 1996 wrx sti import its had engine rebuild 2 yrs ago 2500 new clutch 500 and new sensors /but lad worked away let it run out mot and isnt bothered about it now he got new car /it asnt been started for 3 mths but when i went to look at it it sounds awesome but 1 thing whats putting me off it is check engine light on can any1 help me plz 07999123657