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Old 08-21-2009, 07:32 PM   #7
basemodel67
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Join Date: Mar 2009
Location: Shingle Springs, CA
Posts: 707
Re: 2000 6.0L runs rough and stumbles

Fxdxharley- any updates? I have a 2000 Sierra with a 6.0 and the same problems. I am interested to see if new plug wires help. My motor seems to have a shudder to it and it idles under 500 according to the tach.
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