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Keep on getting different emission codes?

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Old Oct 10, 2012 | 09:22 PM
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Default Keep on getting different emission codes?
How can it be narrowed down from the air pump-check vlaves-02 sensors ect? Is the whole system **** or just one thing that causes codes to come up? 2001 low mile z06--Runs great!
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Old Oct 11, 2012 | 10:39 AM
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WHAT DTCs are you getting.. Please list them..

BC
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Old Oct 11, 2012 | 11:33 AM
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You need to list the codes. There is no possible way that every emission system has gone bad in your car. You may have multiple failures. Are there any modifications to the car?
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