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Old 09-28-2009, 12:55 PM
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Staging Lane
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Default Code help
Im showing code p3400 "Cylinder deactivation system, bank1" on my 2008 silverado. Any ideas what could be causing it or how to fix it?
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Old 09-28-2009, 01:08 PM
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That code has to do w/ the v4 operation, If the vehicle runs ok, I would clear the code and see if it comes back up, If so then have it checked out...
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