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If the "check engine" light is on, the computer has stored a diagnostic code number. You can read that code number by using a code scanner. All of the information is available for the computer to tell you exactly what's wrong. You can borrow, rent or buy a code scanner at most auto parts retailers.

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2006-04-03 14:20:02
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Q: Your 2001 Aurora has a check engine light and noticed a slight hesitation that got worse so you changed the plugs and one plug was soaked with gasoline and are the coils the same on a a 3.5 liter?
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