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Old 02-17-2010, 11:24 AM   #30
root_werks
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Join Date: Apr 2008
Location: Seattle
Posts: 92
With my Box having 103k on the clock and pretty much everything original, I plan to replace the following which will hopefully resolve the latest CEL:

993-113-250-03 - Crank case check-vent valve
996-113-245-01 - Change over vavle for air injection
993-113-245-01 - Cut off valve for air injection

All those will be around $200 and if they don't solve it:

996-605-201-01 - Purge vavle for fuel vapor canistor

And if I get desperate:

996-606-160-01 - Idle air control valve - like $300 or so.

The change over valve has an electrical connection on it, so I am hoping that is what is causing the CEL. We'll see. I'll post back results here.

Before I order anything though, I'm going to pull the lid this weekend and check hoses again, make sure things are clear and actually see if I have any of the above listed EGR related parts on my Box. It's a 97', so I can see Porsche using some 993 parts I guess?

Making progress!

Last edited by root_werks; 02-17-2010 at 11:26 AM.
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