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2009 BMW 750i 4.4L MIL Lamp on
long term fuel trim above 30 on both banks at idle and high idle (2500 rpm) intermittently. freeze frame shows code set after 10 minutes of driving coolant temp at 208 fuel system 1 open loop fuel system 2 closed loop. fuel trims normal except for long ter...
FIX posted 1/19/2019
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6 Replies Received
6 Replies Received
Related Documents & Media | VIN | WBAKA83599 |
| Engine | 4.4 L / 8 cyl / GAS |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| 11870 | exhaust too lean after cat bank 2 |
| 12840 | O2 sensor before cat signal constantly rich bank 2 |
Message Closed
Vehicle Data
2009 BMW 750i
| VIN | WBAKA83599 |
| Engine | 4.4 L / 8 cyl / GAS |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| 11870 | exhaust too lean after cat bank 2 |
| 12840 | O2 sensor before cat signal constantly rich bank 2 |
Video