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W211 AMG Discuss the W211 AMG's such as the E55 and the E63

Check Engine Light!!!!!!!!

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Old Feb 19, 2006 | 12:10 AM
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jamusa
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Check Engine Light!!!!!!!!
As anyone experience any check engine light,with k2 mods? After about 20 miles it appeared,cleared it but it returns again.......codes reads CATS problem.Withstanding all that the car rocks.
The Mustang Cobra that i ran dont have a clue as to which way i went........i ran outta site of him.
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Old Feb 19, 2006 | 12:50 AM
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MB 2006 CLS55 K4/LSD, 2006 VY C6Z06, 2005 X5 4.4
they probably didin't make the ECU adj. for the 2 less cat's & o2 sensor.
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Old Feb 19, 2006 | 08:22 AM
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Tony007
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2010 ZR1 2011 JGC Overland 2013 ML63 on order
Join the club, mine is still on after 5 program revisions. Hope the next one will fix it.
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Old Feb 19, 2006 | 10:08 AM
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From: ann arbor
2014 GL 350 on order
Guys: usually a cat removal issue as the sensors are looking for them-Joker
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Old Feb 22, 2006 | 11:35 AM
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Shouldn't have that problem, Cory can adjust for the headers. Tony007 are you using Kleemann products?
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Old Feb 22, 2006 | 01:57 PM
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Originally Posted by jamusa
As anyone experience any check engine light,with k2 mods? After about 20 miles it appeared,cleared it but it returns again.......codes reads CATS problem.
What's the code number?
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Old Feb 22, 2006 | 02:25 PM
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From: Atherton, CA
E55 k2 w/LSD
Happened to my car about 30 miles after I got the K2 mods done. Car was a beast. Got the revised ECU and the light went off but so did my power. Going to get it Dynod this week and see if another revision is in order.
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