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Check Engine Light: P0411

Old August 14th, 2010, 6:51 PM
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Arrow Check Engine Light: P0411

Hi, I have a 2006 Chevy Cobalt LS Sedan.

I am getting this P0411 message.. I have had the Secondary Air injection check valve ( taking of another cobalt ) AND pump replaced and they light is still on displaying the same message even after i reset the computer.. What are your thoughts?
thanks
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Old August 21st, 2010, 4:34 PM
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Are you sure the "new" check valve is working? I have had to replace this part twice on my 2006 Cobalt, so I don't think I would trust a used one.
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Old August 22nd, 2010, 9:30 AM
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yea i am taking it back to the place i bought it from on monday and they are gonna test the pump... The fuse that goes to tat air pump keeps blowing also
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