tcspeer Posted April 4, 2009 Share Posted April 4, 2009 I got a code PO410 on my 2001 Saturn Wagon 4 cyl. engine. It says PO410 Secondary Air Injection Malfinction. Anyone have any ideal where I might start on this? Quote Link to comment Share on other sites More sharing options...
tcspeer Posted April 9, 2009 Author Share Posted April 9, 2009 Problem solved, the air tube from the check valve to exhaust was stopped up. Quote Link to comment Share on other sites More sharing options...
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