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1997 BMW 740iL 4.4L Poor Idle Quality, MIL Lamp on
Infamous 4.4 vacc leak question? This car appears to have a vac leak but the smoke test does not find it. Those that have dealt with this please chime in. Does the cover plate at the back of the intake manifold only leak when under vacuum such as when the engi...
FIX posted 6/3/2010
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Message Closed w/FIX
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Related Documents & Media | VIN | WBAGJ8326V |
| Engine | 4.4 L / 8 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0150 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Malfunction |
| P0156 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Malfunction |
| P0173 | Fuel Trim Lean Or Rich (Bank 2) |
| P1175 | Air Fuel Imbalance (Bank 2) |
Message Closed w/FIX
Vehicle Data
1997 BMW 740iL
| VIN | WBAGJ8326V |
| Engine | 4.4 L / 8 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0150 | Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Malfunction |
| P0156 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Malfunction |
| P0173 | Fuel Trim Lean Or Rich (Bank 2) |
| P1175 | Air Fuel Imbalance (Bank 2) |
Video