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I'm having a check engine code p0411 code reads "air system incorrect flow"
Scanner says to replace secondary air injection pump. Does anyone have advice on this issue?Difficulty replacing?,will this fix the problem? And where is the pump located?( I'm also not mechanically inclined by anymeans so any advice helps)

The car feels like it's losing power while idling/driving. Not exactly misfiring, it has a stutter? (I'm not that good at explaining)
 

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Pump is located underneath, front, passenger side of engine.
I THOUGHT it would be a PITA, but there’s quick disconnects for the hoses. I think it took 15-20 minutes to replace. Bought COMPLETE GM through Amazon for a little over $100
 
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