I have two enging codes. What to check

Hello Everyone,

I have a 410. Secondary intake code

The P0410 code refers to the emissions system. The AIR pump puts air to the exhaust to lower emissions. It takes in outside air and pumps it through two one-way check valves into each bank of the exhaust
.

And a 1411. SAI System Incorrect Downstream Flow Detected


Any Idea , Suggestions would be appreciated,


Thanks,


I didn't find the right solution from the internet.


References:[986forum.com]

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The SAI pump operates from a few seconds to up to a minute when the car is cold.
As soon as the cats heat up, the SAI pump does not keep pumping air.
You need to see if the motor (pump) is working at cold starts.
With a PST-II or PIWIS it can be checked independently and determine if it is working or not.
Happy Boxstering,
Pedro

Pedro Bonilla
1998 Boxster 986 - 311,000+ miles: [www.PedrosGarage.com]
PCA National Club Racing Scrutineer - PCA National HPDE Instructor - PCA Technical Committee (Boxster/Cayman)

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