2003 GMC Sierra idle speed

2003 GMC SIERRA
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B105COUNTRYGIRL
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Computer problem
2003 GMC Sierra V8 Four Wheel Drive Automatic

how do you adjust the idle speed on a 2003 gmc sierra pickup truck???????
Jul 6, 2010 at 12:36 PM
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RASMATAZ
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Try cleaning out the idle air control valve before you adjust for minimum air
Jul 6, 2010 at 1:12 PM