02-17-2010, 11:24 AM
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#1
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Registered User
Join Date: Apr 2008
Location: Seattle
Posts: 92
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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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02-17-2010, 03:31 PM
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#2
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Track rat
Join Date: Nov 2006
Location: Southern ID
Posts: 3,701
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P0403 is a code I have never seen on a Porsche  . Are you sure?
Ultimately it is your car and your dough but if it was my dough I would verify the code, get a description of the fault involved and use the process of elimination to find and fix the problem. There are good online resources to help. If you are not comfortable doing this it might be money well spent to take your car to a qualified Porsche tech for a diagnosis. Otherwise you could blindly change out $2000 in parts and miss the problem completely... or end up with more error codes  . It happens.
__________________
2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
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02-18-2010, 06:55 AM
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#3
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Registered User
Join Date: Apr 2008
Location: Seattle
Posts: 92
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You got me scratching my head now. Pretty sure it was P0403, but that was using the local parts store OBD2 reader. I wouldn't have ordered any parts before really checking things as planned this weekend. I haven't hooked it up to my laptop at home yet. Maybe I'll do that tonight and make sure I'm reading the correct code.
I'll report back. - Dan
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02-18-2010, 04:33 PM
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#4
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Registered User
Join Date: Apr 2008
Location: Seattle
Posts: 92
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Derrrr, it's P0430, not 403. Just call me dyslex,,,,,dislexs,,,,,dys,,,,,oh never mind. 
Not much research to do here other than replace the cat. Time to shop and probably just get both. I'm sure the left isn't far behind.
Last edited by root_werks; 02-18-2010 at 04:45 PM.
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02-23-2010, 04:53 AM
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#5
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Registered User
Join Date: Apr 2006
Location: Boston, MA
Posts: 221
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Quote:
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Originally Posted by root_werks
Derrrr, it's P0430, not 403. Just call me dyslex,,,,,dislexs,,,,,dys,,,,,oh never mind.
Not much research to do here other than replace the cat. Time to shop and probably just get both. I'm sure the left isn't far behind. |
For a P0430:
Possible fault cause
♦ Oxygen sensor ahead of and after TWC exchanged
♦ Valve lift fault
♦ Aged oxygen sensor after TWC
♦ TWC faulty
Regards,
paul...
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Lil Red
2009 Porsche Cayman 2.9L
Hybrid Mode
