Re: '98 w/ 410 & 1411 codes.

Secondary air injection. Is this a diy fix, I have no idea where to start.

Thanks

Start by reading this web page, it will give you a flow chart of how to approach the problem diagnosis as well as dome diagrams of the parts involved.

It can be anything from a loose connection to the failure of a sensor to .... well read the article.

Mike,

Thanks very much. I remember you from PPBB.

... more and more secondary air injection failures on the older 986s.
The easiest way to solve it is to reprogram the car as an RoW and then just remove the pump and it's plumbing.
It's a DIY project if you can have access to a PSTII for the reprogramming.
Happy Boxstering
Pedro

Started cold this morning and the pump is working as usual.

I'll clean the MAF and see if that helps.

... has nothing to do with it.
It's the air pump, oxygen sensors and or cats.
Happy Boxstering,
Pedro

OK. The car runs great and the CEL hasn't come back on. I'm going to ignore it for now.