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W212 AMG Discuss the W212 AMG's such as the E63

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Old Feb 17, 2016 | 04:10 PM
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mjd222
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e63
Originally Posted by gaspam
it will affect fuel economy by preventing your ecu from going into closed loop function... When no signal is received from the O2 sensor your car will stay in open loop and run off programmed maps (it already does this during start up when car is cold and WOT).... these maps are static so they are not adjusting like your car would be in closed loop function using o2 info, thus less fuel efficient (running rich)
After I full accelerate when I remove my foot from the fuel padel black smoke come out
I have down pipes non cattes
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Old Feb 17, 2016 | 04:14 PM
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gaspam
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2014 E63s amg 4matic, 2009 C63, 2006 E55 AMG , 2001.5 AUDI S4 stg 3+ w/meth
Originally Posted by mjd222
After I full accelerate when I remove my foot from the fuel padel black smoke come out
I have down pipes non cattes
black smoke = running rich
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Old Feb 17, 2016 | 04:33 PM
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e63
Originally Posted by gaspam
black smoke = running rich
I know put why
I checked to car computer no error
First I was O2 sensor I just change it
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Old Feb 17, 2016 | 04:54 PM
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gaspam
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From: miami / delray beach
2014 E63s amg 4matic, 2009 C63, 2006 E55 AMG , 2001.5 AUDI S4 stg 3+ w/meth
Originally Posted by mjd222
I know put why
I checked to car computer no error
First I was O2 sensor I just change it
since you are saying its during WOT then it would be tune related as that is when ecu is running of the fuel maps the tuner provided
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