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05-13-2013, 06:21 PM
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Live Reporter
Join Date: May 2006
Location: Dripping Springs, Tx
Posts: 2,710
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2001 Chevy 1500HD engine question
My truck when idling has a stumble. It will run smooth then rough then smooth back and forth. Didn't do it while driving before. Now when pulling at low speeds it started doing it. When at highway speed even pulling its fine. Check engine recently came on but it's for the knock sensor. I was told that wouldn't cause the stumbling? No other codes when checked. Ideas? Thanks.
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Ed Carpenter 2005 Chevy Cobalt A/SM Race Engine Development |
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