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2008 BMW 550i 4.8L Poor Idle Quality, Surge, Misfire, MIL Lamp on
This vehicle has strange intermittent lean condition, it only occurs once during drive cycle & only after sitting overnight, it only occurs when temperature is cool out. Engine starts up fine idle stable, but after 1/2 to 1 mile of driving only when coming...
FIX posted 2/28/2020
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Message Closed w/FIX
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8 Replies Received
8 Replies Received
Related Documents & Media | VIN | WBANW53518 |
| Engine | 4.8 L / 8 cyl / GAS |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge, Misfire, MIL Lamp On |
| Occurs | Cold, Idle, Intermittently, Only Once After Sitting Overnight |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0301 | Cylinder 1 Misfire Detected |
| P0302 | Cylinder 2 Misfire Detected |
| P0303 | Cylinder 3 Misfire Detected |
| P2187 | Fuel Trim System Rich At Cruise Or Acceleration (Bank 1) |
| P2189 | Idle Speed At Startup Too High |
Message Closed w/FIX
Vehicle Data
2008 BMW 550i
| VIN | WBANW53518 |
| Engine | 4.8 L / 8 cyl / GAS |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Surge, Misfire, MIL Lamp On |
| Occurs | Cold, Idle, Intermittently, Only Once After Sitting Overnight |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0301 | Cylinder 1 Misfire Detected |
| P0302 | Cylinder 2 Misfire Detected |
| P0303 | Cylinder 3 Misfire Detected |
| P2187 | Fuel Trim System Rich At Cruise Or Acceleration (Bank 1) |
| P2189 | Idle Speed At Startup Too High |
Video