Check engine light

MERCURY COUGAR

LEFTY18

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I just bought my 2002 Mercury cougar in August. It is a V-6 with about 80k auto. About a week after I bought it the check engine light came on. It won't go off. About a month later my car wouldn't turn over and we had to replace the battery. Still the check engine light is on. We took it to a mechanic and they ran a diagnostic on it. They said it had to do with emissions. What do I need to check before I pay the money to have someone else do it?

Nov 29, 2007 at 6:41 PM

BMRFIXIT

CAR REPAIR CONTRIBUTOR
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[quote:ea2509ba35="Lefty18"]I just bought my 2002 Mercury cougar in August. It is a V-6 with about 80k auto. About a week after I bought it the check engine light came on. It won't go off. About a month later my car wouldn't turn over and we had to replace the battery. Still the check engine light is on. We took it to a mechanic and they ran a diagnostic on it. They said it had to do with emissions. What do I need to check before I pay the money to have someone else do it?[/quote:ea2509ba35]

You need to find out the codes
What happen is computer monitor the engine and tranny operations
And if something wrong the light will come on
And it will store a code in the memory
So if you can get the code that will help pin point the trouble area
Good luck

Nov 29, 2007 at 7:19 PM

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