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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > First data log...WTF am I lookin at?



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      03-29-2013, 02:36 PM   #1
Shadow007
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Question First data log...WTF am I lookin at?

What's going on everybody?
I decided to do my first data log because I had my first misfire, a week ago and it scared the s*&^ out of me, since I never experienced a misfire before. Also, I had my M2 exhaust installed and with that a few new error codes popped up that I'm not to familiar with :
2C7E Lambda probe behind catalytic converter, trimming control
2C27 Lambda probe in front of catalytic converter, system check
2C6A No Description Found
29F4 Catalytic converter conversion
29D1 Misfirings, cylinder 5
0000 Failure location not implemented
0000 Failure location not implemented
29E0 Fuel mixture control
2C6B Lambda probe behind catalytic converter, system check<

Besides the error codes, can someone give me a quick run down of how my cars performing?Name:  datalog.jpg
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      03-29-2013, 02:46 PM   #2
335iRlz
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Actually attach the log files... I think the boys here have an easier time looking at the hard data then a jacked up graph.
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      03-29-2013, 03:49 PM   #3
Mike@N54Tuning.com
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You can try posting the CSV on BMS' support forum but with those lambda faults the car isn't going to run right. Must have an o2 sensor issue going on there.

Mike
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      03-30-2013, 02:26 PM   #4
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Quote:
Originally Posted by Mike@N54Tuning.com View Post
You can try posting the CSV on BMS' support forum but with those lambda faults the car isn't going to run right. Must have an o2 sensor issue going on there.

Mike
As far as the lambda codes, isn't that something I'm suppose to have due to the fact that the first and secondary cats are missing .
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      03-30-2013, 02:45 PM   #5
Mike@N54Tuning.com
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Quote:
Originally Posted by Shadow007 View Post
As far as the lambda codes, isn't that something I'm suppose to have due to the fact that the first and secondary cats are missing .
Only 29F4 29F5 are normal. Anything else means something is wrong.

Mike
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