Question about 1996 Mercury Cougar XR7

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Check engine light is always on. the car runs great and has never given me any problems but the check engine light stays on.

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Any of the chain auto parts stores offers a free scan (yeah, they sell parts) of your computer. This will solve the mystery. You could have some ill-behaved emission widget that has failed but it could be more ernest. Have it done-

Posted on Jun 14, 2009

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Posted on Jan 02, 2017

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