W211 AMG Discuss the W211 AMG's such as the E55 and the E63
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O2 sensors disconnected/CATS removed

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Old 06-06-2005, 04:09 PM
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O2 sensors disconnected/CATS removed

I am ready for criticism
Pre cat sensors disconnected
Cats removed

so far little chanage in performance its an E65 brabus what you guys think should happen regarding performance
Old 06-08-2005, 08:09 AM
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No mistake on Comp???...

I'd say put O2 sensors back, as you car wouldnt run full power as ECU does not get any information regarding the Air temp and mixture in the exhausts and you car will run in a lean mode...
Old 06-08-2005, 09:28 AM
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03 E55 k2; Ford GT
Originally Posted by eyes
I am ready for criticism
Pre cat sensors disconnected
Cats removed

so far little chanage in performance its an E65 brabus what you guys think should happen regarding performance
Sorry for my ignorance, what is an E65?
Old 06-08-2005, 10:31 AM
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Thanks Its a 1997 E50 chasis with brabus 6.5 engine and the usual brabus interior/badges/wheels and so on
Old 06-08-2005, 10:36 AM
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Nothing on the intrument cluster no CEL surprisingly though cats removal made some change O2 sensor removal nothing and if any thing it runs a bit better may be my imagination or the sensors were dead anyway
Old 06-08-2005, 11:13 AM
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You got any before/after dynos or quarter runs? Way to be a pioneer!
Old 06-08-2005, 05:06 PM
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No dyno yet may be over weekend i can do that
Old 06-09-2005, 03:59 AM
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Sounds strange if O2 sensors are dead the system sound detected it...Speak with MB and see what they tell you ewhat happans if O2 sensors are dead...

On M5 it definately an issue, if sensor goes bad, then system detects it and car runs in FALSeSAFE mod...

Who knows may be you not getting 100% out of your 65 engine...

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