Problems/Service/Maintenance Do you have problems with your new 2.0, 2.2, or 2.4L? What kind of service did you have done?

p0411 2008 Cobalt 2.2

Old Jul 19, 2012 | 08:16 PM
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p0411 2008 Cobalt 2.2

Last winter I would get code p0411 when outside temperatures were below freezing.
Above freezing -no problems.
This leads me to believe condensation/water is accumulating in the secondary air valve.
I want to clean out this valve/tube but I'm not sure where it is located.
Does anyone have a diagram or can point me in the right area?
Thanks in advance!
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Old Jul 21, 2012 | 05:38 PM
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no one? really?
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