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Old 01-28-2010, 12:50 PM   #1
cjracing15
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Join Date: Jan 2007
Location: Lexington, TN
Posts: 1,427
emissions help please

I have a 07 silverado classic. Engine light came on yesterday. Checked code and the truck senses a emission leak. The truck has just a very slight miss at idle you can bearly feel it, but it's there. Could I have a slight vacuum leak that would cause this? I need some help on what to look for please. Thanks in advance, Jamie

P.S. I checked the gas cap and it is tight.
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