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      03-06-2014, 05:06 PM   #1
W Cole
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Increased Emissions / Test Pipes / Delete-R

I have test pipes and the akra delete-r installed on my 09 M3. This setup has been working flawlessly for several months until today. I was driving on the freeway and received an "increased emissions" warning on my navigation unit accompanied by the check engine light illuminated on the cluster. This warning magically went away after a couple minutes of driving.

I am trying to figure out if I have a legitimate problem and perhaps the delete-r cleared the code or maybe the delete-r malfunctioned for a moment and this code was due to the lack of cats.

- Is the "increased emissions" warning on the dash the one you would expect if you're de-catted? If not, it would seem like I have an actual problem.

Any input would be greatly appreciated.

Thanks.
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      03-06-2014, 10:34 PM   #2
Kisenwether
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Had the same thing happen, it came on and went back out in like 20 seconds. Nothing has come from it yet.
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      03-07-2014, 01:03 PM   #3
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Thanks. Do you know if the delete-R will hide actual codes?
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      03-07-2014, 03:31 PM   #4
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Thanks. Do you know if the delete-R will hide actual codes?
the delete-R keeps resetting or clearing codes, I forgot what the timeframe in which it does it. It doesn't hide the codes, it clears them.

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      03-07-2014, 09:56 PM   #5
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the delete-R keeps resetting or clearing codes, I forgot what the timeframe in which it does it. It doesn't hide the codes, it clears them.

Dave
So it clears ALL codes? Thereby masking/hiding legitimate ones?
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      03-07-2014, 11:13 PM   #6
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Could be a faulty o2 sensor. Unplug the delete and pull the code when it comes on. My tune has cel delete but I got an emissions cel and it turned out it was a damaged o2.
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      03-08-2014, 12:59 AM   #7
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Could be a faulty o2 sensor. Unplug the delete and pull the code when it comes on. My tune has cel delete but I got an emissions cel and it turned out it was a damaged o2.
That's a good idea. Will a standard OBD reader give enough detail on the code or will I need to take it to BMW?
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      03-08-2014, 10:37 AM   #8
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Quote:
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Quote:
Originally Posted by R3dn3k Flyby View Post
Could be a faulty o2 sensor. Unplug the delete and pull the code when it comes on. My tune has cel delete but I got an emissions cel and it turned out it was a damaged o2.
That's a good idea. Will a standard OBD reader give enough detail on the code or will I need to take it to BMW?
Standard code reader should give the proper p code.
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      03-08-2014, 07:14 PM   #9
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So it clears ALL codes? Thereby masking/hiding legitimate ones?

Yes even legitimate ones. You cant just clear select codes.
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