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Model Years Affected: 2005, 2006, 2010
A dirty throttle body may cause a lower than normal idle and possible stalling condition. Performing a throttle body service will commonly correct this concern.
Common Problems > GMC Sierra Denali
Q&A > GMC > 2009 GMC Sierra Denali
Q&A > GMC > 2005 GMC Sierra Denali
Q&A > GMC > 2008 GMC Sierra Denali