CEL: Secondary Air Injection System: Incorrect Flow Detected P0411

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07-26-2008, 01:56 AM

AK_TTuner

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CEL: Secondary Air Injection System: Incorrect Flow Detected P0411

any idea what that means?

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07-26-2008, 03:57 AM

TTBlack

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Rivets on the air pump are loose/gone.

<ul><li><a href="https://forums.audiworld.com/tt/msgs/1574799.phtml">Pump repair</a></li></ul>

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07-26-2008, 04:14 AM

Bracketracer

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vacuum lines to/from the 2nd air solenoid valve....

sticky combi-valve, air pump inoperative, air pump pressure hose leaking (should be pretty damn loud). There are other, less common issues, but I'd start with these. Shouldn't take more than 20 minutes to go through them all.

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07-26-2008, 01:04 PM

AK_TTuner

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thanks guys, but where is that thing located under the hood?

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07-26-2008, 01:16 PM

DumpTTruck

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Bottom passenger side. You have to remove the belly pan.

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