Diagnosis NOx system and NOx sensor replacement and coding
#NoxSensor #CatalyticConverter #30EA #2C32 #BMWE91 #BMWN43

- BMW E91 2008 Touring engine N43B20A
- Random misfires with stady speed?
- Fault code 2C32: Lambda probe in front of catalytic converter 2, trimming control
- Fault code P2098: Post Catalyst Fuel Trim System Too Lean Bank 2
- Hunting the cause of the error code!
- Situation: Spark plugs, Ignition coils, Injectors are ok and no any leaks in exhaust or intake system.
- How to Diagnose BMW MSD80 DME with INPA and ISTA-D software
- Diagnosis of NOx system; NOx sensor and NOx catalytic converter
- Lambda value drops in Bank 2 and cause DME to trim lambda sensors
- Virtual probe situation with faulty NOx sensor
- Fault code from after-cat control probe in Bank 2!
- These vehicles DO NOT have a control probe in Bank 2!
- Updating DME software will not help in this situation.
- The NOx system is located in the middle stages of the exhaust system
- Replacement and coding of NOx sensor with ISTA-D
- Maintain your own NOx system, it is very important for the operation of your car!

Does replacing the NOx sensor solve the misfire problem? Watch this video!

Additional Note for testing Nox system:
After few minutes of driving motor temperature should be 90 .. 112 oC.
If not, make sure you fix the situation; as the NOx system will not work properly if the engine temperatures are not normal!

Let’s continue with the next episode! Stay tuned!

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Watch whole BMW E91 with N43 Diagnosis & Maintenance -SERIES from here:
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Also N43 MOTOR rebuild -SERIES from here:
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Also POWERDRAIN rebuild -SERIES of BMW E91 with engine N43!
See the whole SERIES from here:
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My purpose is to encourage people to do things themselves!
Plus, this is a nice hobby for myself and at the same time I have the opportunity to save a lot of money by doing all the maintenance myself!
I’m not a professional with cars or motorcycles, I just want to learn how to do things myself.
If you do this service yourself, always check the correct instructions in the official service manuals. This is just my way of doing it!

Jani Voutilainen

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