Thread: 2004 Tahoe 5.3 weird idle
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Old 12-03-2011, 03:17 PM   #9
bighaas79
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Join Date: Nov 2008
Location: manly iowa
Posts: 390
Re: 2004 Tahoe 5.3 weird idle
I have to agree. Put delcos back in it. If you do some looking you will see there have been instances where the gimmick plugs are the issue.
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