2002 Chevy Tahoe knock sensor

2002 CHEVROLET TAHOE
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JRCRAWFORD
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Engine Performance problem
2002 Chevy Tahoe V8 Two Wheel Drive Automatic

code reader sent a message that the no. 2 knock sensor needed to be replaced. how important is it the that be replaced,and how do we as shade tree mech go about replacing it ?
Mar 26, 2009 at 5:23 PM
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JRCRAWFORD
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its always about the meaN GREEN! THATS OK THANKS FOR YOUR HELP GENTLEMEN!!!!!!!
Mar 26, 2009 at 5:28 PM