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2001 BMW 740i 4.4L MIL Lamp on
scanner shows long term fuel trim at 25% on both banks o2 are switching NEED HELP IN DETERMINING IF MASS AIR SENSOR BAD OR IS THERE A VACUMM LEAK?
FIX posted 10/31/2003
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Message Closed w/FIX
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8 Replies Received
8 Replies Received
Related Documents & Media | VIN | WBAGG83481 |
| Engine | 4.4 L / 8 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | FI / MPFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Cruise |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
2001 BMW 740i
| VIN | WBAGG83481 |
| Engine | 4.4 L / 8 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | FI / MPFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Cruise |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0174 | Fuel System Too Lean (Bank 2) |
Video