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
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle 6 Replies Received (View Replies)6 Replies Received (Hide Replies)Related Documents & MediaRelated Documents & Media |
Message Closed
Vehicle Data2009 BMW 750i
Trouble Codes
|
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 |