996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Errors from the exhaust ( w/o cats )

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Old May 21, 2010 | 06:06 AM
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Exclamation Errors from the exhaust ( w/o cats )

After I run hard the car I receive this errors :
-P0430
-P0420
should I be worried about this ?

It seems that the tuner can't bypass the cats... how do you guys run?

Thanks!
 
Old May 21, 2010 | 07:27 AM
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Did you also remove the O2 sensors?
 
Old May 21, 2010 | 07:41 AM
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Those are very easy to correct =)
 
Old May 21, 2010 | 07:53 AM
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Strange, I removed the cats on my system and get different codes.

p0139 and p0159

I wonder why we have the same modification and different code both attributed to the catalytic converter / o2 sensors
 
Old May 21, 2010 | 08:13 AM
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Originally Posted by landjet
Did you also remove the O2 sensors?
the sensors are mounted in the exhaust.

@Nola911: maybe is a difference between US and EU

@Tony: this is the second file that they send me but it seems that they didn't do it right.
 

Last edited by alex55; May 21, 2010 at 08:15 AM.
Old May 21, 2010 | 08:19 AM
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You can either correct the cat inefficiency codes with programming ( omitting the second 02 sensor ) or with 02 simulators. If you have any questions, we will be happy to help.
 
Old May 26, 2010 | 04:08 AM
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Does anybody know if there is any difference between the european ecu and US one?

Is here someone from EU that runs w/o cats?

It seems that they cannot "bypass" the O2 sensors from the ecu...

Any help please!?
 
Old May 26, 2010 | 07:20 AM
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i hope that's not the case, my car's euro spec as well but haven't installed the catless yet. but have double checked with vendor and the flash I'm using is supposed to work w/o cats.
 
Old May 26, 2010 | 09:35 AM
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I hope a vendor or someone else with some knowledge of the codes can give us a little insight on the 4 different o2 related codes

I would think Euro and US spec codes should be similar or the same.
 
Old May 26, 2010 | 09:39 AM
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Originally Posted by NOLA911
I hope a vendor or someone else with some knowledge of the codes can give us a little insight on the 4 different o2 related codes

I would think Euro and US spec codes should be similar or the same.
The the cats are coded out properly... it takes care of all 4 codes. (there are actually as many as 6 that can pop up).
 
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