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Old 11-23-2013, 07:01 PM   #1
mrolds88
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Join Date: Jul 2011
Location: WV
Posts: 946
Re: Rough Running Dually

You might. I would simply pull the vacuum line off and plug. Start it and see what happens. Also you should be able to manually operate the EGR to see how s operation is. Also along that line, you can check the EGR control.
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77 GMC C3500 CC dually Sold
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93 K2500 xcab 6.5TD
96 GMC K2500 Suburban 6.5 TD
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Old 11-23-2013, 07:11 PM   #2
ryanmcb
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Join Date: Dec 2010
Location: Grantsville, Ut
Posts: 164
Re: Rough Running Dually

Ok, I will try that first. I will let you know what happens.

Anything else that could contribute to this rough idle that I should be checking?
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