Demystifying Code P0411 The Key to Diagnostic Success

I did a search on this code (P0411) on the forums and came up with "secondary air injection system incorrect flow". Now some guys said to disconnect the wire ... Check Engine Light Code- P0411 ... My check engine light is on and the code its giving me is P0411-Secondary Air Injector Incorrect Flow. Does ... P0411 is a diagnostic trouble code (DTC) that means “Secondary Air Injection System Incorrect Flow Detected.” The P0411 code means that the PCM ... Ran the Code P0411 (Secondary Air Injection System Incorrect Flow Direction). I've been looking around and all I can find is something about at ... Member ... Many suffer from the early cut off of the fuel nozzle, try it at an angle. It can also be the carbon canister getting blocked. Mine ... It used to be this code was set if if I had two consecutive cold starts in 20 degree Fahrenheit or below weather. No big deal. P0411 stands for “Secondary Air Injection Incorrect Flow Detected.” This code warns about a potential airflow issue in the secondary air system. It could be that some water is condensed during the 90 sec. normal operation of the valve. Not sure on that. Maybe the revised valve is meant to ... The light may or may not go out on its won, Chevy computers store codes until they are cleared out with a code reader, I'd say go to a parts ... The problem was found by actually disconnecting hose after hose and blowing smoke down them until we found the culprit.