Question about 1991 Buick LeSabre

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Service engine soon light came on and does not go out

1991 buick lesabre engine light has come on and does not go out what should i look for to see what might be the problem? any clues waooooooooooooooo what an answer. Dear Mr. this is a general answer. if there is problam we have to go to mechanic for scan.. this is not an answer .. ok

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  • adeel_2us May 31, 2009

    Thanks .. i will try .


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Under the dash you will find a diagnostic port however there are only a few wires going to it,on the top of the port there are two wires side to side take a peace of wire and make a jumper, jump the two wires that are side to side. turn the switch on and count how many times the check engine light blinks it will give you code 12 three times and then the code after that is what is making your car sick. hope this has helped you !

Posted on May 30, 2009

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