Only had for 2 months and my check engine light came on, the code p0411 and p0128 r pending codes, it said primary fix was replace secondary air injection valve vacuum hose , parts needed was transmission fluid, Also, replacement of the asv. Parts r thread lock,. Now that i have said parts, where do i add the fluid? As well as the thread lock?

 

No car info? No engine info? No mileage info?
Hard to answer without all your information being posted?
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