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AmerDz AmerDz is offline
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Default 335is new to platform help with codes - 09-23-2018, 03:15 PM

Hi i'm new to the platform and i have a 335IS 2011 29k miles, currently is mhd stage 1 and has vrsf dci. today i was driving at higherspeeds and a engine light came on. The codes are

active codes
29CD combustion misfire, cylinder 1
2C3D oxygen sensor before catalytic converter: line fault
2C73 oxygen sensor after catalytic converter: signal
2CAA oxygen sensor before catalytic converter: temperature

Inactive codes
2C7B oxygen sensor after catalytic converter: signal
2FDB Fuel high pressure nach Frigabe der Einspritzung
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notfrosty1 notfrosty1 is offline
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Default 09-23-2018, 09:38 PM

I had a problem like this, ended up being the coil packs, try swapping it with another pack and see if the code follows the cylinder, if it doesn’t, I’d try new plugs
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Payam @ BMS's Avatar
Payam @ BMS Payam @ BMS is offline
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Default 09-24-2018, 05:52 AM

Have you checked your O2 sensors and wiring?


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AmerDz AmerDz is offline
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Default 09-24-2018, 07:40 AM

Quote:
Originally Posted by Payam @ BMS
Have you checked your O2 sensors and wiring?
Yes I did check wiring and connection I didnít see anything out of the ordinary.
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JohnDaviz JohnDaviz is offline
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Default 09-25-2018, 12:45 AM

I canīt add value to this thread but on Friday something similar started.

MHD Stage 1+ and a JB4 still installed.

On Friday early morning before work, cold start, i got:

29E1 - Fuel Mixture
29E0 - Fuel Mixture
2D2E - Weird Throttle position sensor error
2C7B - Oxygen after ***, signal
2C3D - Oxygen before ***, heating
2CAA - Oxygen before ***, temp

Erased errors and drove over the weekend without reappearance.

Monday early morning before Work, errors.

But only

29E1 and 20E0

Erased yesterday afternoon. Today car is running fine without errors...

Next steps for me are removing JB4, running logs on Stage 1+ only.
After that Stock Map with logging and watching.
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