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2014 Chevy Silverado
Platform: Truck, GMT 400, 800, & 900

Rough idle

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Old November 26th, 2011, 4:15 PM
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Default Rough idle
My 99 gmc won't idle it revs from 500 rpm to 1500 rpm trying to stay running iv changed plugs,wires,fuel filter,mass air flow anyone got any ideas
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Old November 26th, 2011, 6:19 PM
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Vaccume leak somewhere?
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Old November 26th, 2011, 11:54 PM
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I have to agree with country_09, i would check for vaccum leak, either a line or intake.....
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