Thread: "Cold Start Diagnosis"
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Old 08-21-2003, 08:46 PM   #14
DenaliMCD
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Join Date: Aug 2003
Location: Folsom, California
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My 2001 Denali also has the knocking
@ 60k miles mine still has the knocking. But if you say that the Carbon cleaner works i will try it and hopefully it will fix the problem. Thanks for the sugestion
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