Rough idle

By Grumman
February 19, 2020 in 2004-2012 Colorado & Canyon (1st Gen)

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Grumman

Posted February 19, 2020

My Colorado is an 05 reg cab 4cyl auto with 176,238 mi and still going strong, however, engine seems to stumble at low rpm when coming to a stop, or right after start up, whether cold or at normal operating temp. Anyone familiar with this type of idle problem?

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