Question about 2005 Mercury Grand Marquis

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My "check-engine-light" came on.What are the possible problems?

I bought the car new. I have not had any problems. Four -five months ago, I rcieved a letter in the mail, stating, I had to have my catalytic converter changed. I took it to my dealer, and they said it was done. However, When I backed out of my drive way ever since then, it sounds like it is loose.Because my drive is uneven. However, on the road no sound is heard.
Just this morning, my "check-engin-light" came on.

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You need to have a proper diagnosis done by a computer.Then when you get the error code look for it on google.You will know exactly what is wrong and what needs changing.

Posted on Jun 16, 2009

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Posted on Jan 02, 2017

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