hello all..newbe here with a question..My son has a mercury sable 1993 with a 3.8 ltr engine ,,the check engine light comes on and goes off from time to time and when it does the engine runs rough,,he took it to a local advance auto store to get the codes checked .They told him they can't check the codes on models older than 1995 and that he could do it from under the hood ???OK.. so how do ya check for codes from under the hood???? i have the tecnical knowledge to check them if someone can get me started ..lol..thanks in advance
crazysable
crazysable