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Silverado & Fullsize Pick-ups The Silverado has been one of the best selling trucks in the US for decades, and is truly proven to be "like a rock".

2014 Chevy Silverado
Platform: Truck, GMT 400, 800, & 900
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Old 01-22-2012, 03:58 PM
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Join Date: Dec 2010
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Default Rough Idle At Start Up!

I have a 2002 GMC Sierra 1500 4.8L, When I start it when its cold, it idles very rough hard to keep it running also running rich until it starts to warm up then all is good. no MIL.
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Last edited by MDTAHOE; 01-22-2012 at 08:12 PM.
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Old 01-22-2012, 03:58 PM
 
 
 
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2002, 2010, 2012, 48l, chevrolet, cold, gmc, idel, idle, rough, sierra, silverado, start, starting, starts


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