The check engine light came on at 40,000 miles. on 2004 Mercury Grand Marquis

Is the check engine light triggered at 40,000 miles, and if so, how do I turn it off?

by in Slidell, LA on April 17, 2012
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2 answers
ANSWER by , April 17, 2012
i think something wrong with your engine, you should get a car diagnostic tool for your car, maybe this tool can suit for your car,
ANSWER by , April 17, 2012
Just go to a part store and have them give you a free code read and post the results here.