Quote:
Originally Posted by basemodel67
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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no updates yet sorry. i havent gotten a chance to work on it. it does sound like your trucks is acting just like mine. mine idles around 500 too.