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7 Series - F01 / F02 (2009 - 2015)
The 5th generation F01/F02 BMW 7 Series flagship forum. The redesigned 7 series leads off the BMW Fxx chassis code, offering an 8 speed automatic transmission and all turbocharged engine options.

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  #1  
Old 12-11-2014, 05:23 PM
Bige137 Bige137 is offline
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Location: SC
 
Join Date: Dec 2014
Posts: 58
Mein Auto: 750li
Error code help? Engine light and rough acceleration?

P2096 post catalyst fuel trim system too lean bank 1

P2098 same as above but bank 2

P2198 oxygen sensor signal biased / stuck rich bank 2 sensor 1

So I'm getting these codes over and over. I Run premium gas and have tried some fuel cleaners but they keep happening.
Some things I've noticed....when starting from a traffic light the car seems to skip and stutter, but only if it's a gentle start. I don't notice much after that. I do see occasional exhaust smoke now and then. Kinda white and usually when it's stuttering.
I've searched and need to get this fixed. I am going to take it in but would rather have some opinions from you guys so I don't get railroaded because I don't know.
Thanks for any help.
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  #2  
Old 12-18-2014, 04:01 PM
Bige137 Bige137 is offline
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Location: SC
 
Join Date: Dec 2014
Posts: 58
Mein Auto: 750li
Thanks a bunch. I think that worked.
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  #3  
Old 09-02-2016, 01:19 PM
Ghost_Rider Ghost_Rider is offline
BMW
Location: Toronto
 
Join Date: Oct 2007
Posts: 68
Mein Auto: F01
Sorry for resurrecting an old thread

Having similar issues now. Also trying to figure it out, before taking it in.

Currently getting the following errors:

1. P2098
Post Catalyst Fuel Trim System Too Lean Bank 2

2. P2196
O2 Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1

3. P2198
O2 Sensor Signal Biased/Stuck Rich Bank 2 Sensor 1

And here is a freeze frame:

Trouble Code P2098 triggered Freeze Frame.
Code Def: Post Catalyst Fuel Trim System Too Lean Bank 2

PID : Description : Value


04 : Calculated Engine Load Value : 33.3 %
05 : Engine Coolant Temperature : 102 C*
06 : Short Term Fuel Trim Bank 1 : 3.1 %
07 : Long Term Fuel Trim Bank 1 : -10.9 %
08 : Short Term Fuel Trim Bank 2 : -0.8 %
09 : Long Term Fuel Trim Bank 2 : -9.4 %
0B: Intake Manifold Absolute Pressure : 62.0 kPa
0C : Engine RPM : 1489 rpm
0D : Vehicle Speed : 64 km/h
0E : Timing Advance for #1 cylinder : 27.5
0F : Intake Air Temperature : 61 C
10 : Mass Air Flow Rate : 11.80 g/s
11 : Absolute Throttle Position : 16.9 %
1F : Run Time Since Engine Start : 1530 seconds
23 : Fuel Rail Pressure : 10920 kPa
2E : Commanded Evaporative Purge : 100.0 %
2F : Fuel Level Input : 38.8 %
33 : Barometric Pressure : 99 kPa
42 : Control Module Voltage : 13.837 V
43 : Absolute Load Value : 36.9 %
44 : Commanded Equivalence Ratio : 0.999
45 : Relative Throttle Position : 7.8 %
46 : Ambient Air Temperature : 36 C
47 : Absolute Throttle Position B : 16.9 %
49 : Accelerator Pedal Position D : 27.1 %
4A : Accelerator Pedal Position E : 26.7 %
4C : Commanded Throttle Actuator : 9.0 %
51 : Fuel Type : 0 N/A
56 : Long Term Secondary Oxygen Sensor Trim Bank 1 : 17.2 %
58 : Long Term Secondary Oxygen Sensor Trim Bank 2 : 31.2 %


FREEZZE FRAME FROM DIFFERENT DAY:

Trouble Code P2098 triggered Freeze Frame.
Code Def: Post Catalyst Fuel Trim System Too Lean Bank 2


PID : Description : Value

04 : Calculated Engine Load Value : 50.2 %
05 : Engine Coolant Temperature : 90 C
06 : Short Term Fuel Trim Bank 1 : -1.6 %
07 : Long Term Fuel Trim Bank 1 : -4.7 %
08 : Short Term Fuel Trim Bank 2 : 0.8 %
09 : Long Term Fuel Trim Bank 2 : -4.7 %
0B: Intake Manifold Absolute Pressure : 80.0 kPa
0C : Engine RPM : 1497 rpm
0D : Vehicle Speed : 16 km/h
0E : Timing Advance for #1 cylinder : 9.0
0F : Intake Air Temperature : 43 C
10 : Mass Air Flow Rate : 18.27 g/s
11 : Absolute Throttle Position : 20.4 %
1F : Run Time Since Engine Start : 163 seconds
23 : Fuel Rail Pressure : 13410 kPa
2E : Commanded Evaporative Purge : 100.0 %
2F : Fuel Level Input : 42.7 %
33 : Barometric Pressure : 101 kPa
42 : Control Module Voltage : 13.837 V
43 : Absolute Load Value : 56.5 %
44 : Commanded Equivalence Ratio : 1.005
45 : Relative Throttle Position : 11.8 %
46 : Ambient Air Temperature : 25 C
47 : Absolute Throttle Position B : 20.4 %
49 : Accelerator Pedal Position D : 34.9 %
4A : Accelerator Pedal Position E : 34.9 %
4C : Commanded Throttle Actuator : 13.3%
51 : Fuel Type : 0 N/A
56 : Long Term Secondary Oxygen Sensor Trim Bank 1 : 17.2 %
58 : Long Term Secondary Oxygen Sensor Trim Bank 2 : 31.2 %

Last edited by Ghost_Rider; 09-02-2016 at 01:23 PM.
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  #4  
Old 01-13-2017, 03:45 PM
bpddaddy bpddaddy is offline
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Location: Gold River, CA
 
Join Date: Jul 2013
Posts: 4
Mein Auto: 2001 740i, 2012 740li
I'm now having this problem but find it hard to believe that my O2 sensors are dying at 52k miles.
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