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Have the Codes read by a code scanner; some autoparts stores do this with out charge (Autozone in Texas does this).

You can also purchase a code scanner, but they range from $150 - $500.

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โˆ™ 2015-07-15 21:07:11
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Q: How can you determine why a check engine light has come on in a 2000 Mercury Moutaineer?
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