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1998 BMW 740iL 4.4L Misfire
This car runs fine until you give it full throttle and the rpms get above about 4k rpm. It then starts to hesitate, doesnt feel exactly like a mifire more like it just starts to slow down. then the computer seems to turn off the cylinders that are misfiring. i...
Summary posted 10/20/2011
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Related Documents & Media | VIN | WBAGJ8329W |
| Engine | 4.4 L / 8 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Under Load |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0301 | Cylinder 1 Misfire Detected |
| P0302 | Cylinder 2 Misfire Detected |
| P0304 | Cylinder 4 Misfire Detected |
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/Summary
Vehicle Data
1998 BMW 740iL
| VIN | WBAGJ8329W |
| Engine | 4.4 L / 8 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Under Load |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0301 | Cylinder 1 Misfire Detected |
| P0302 | Cylinder 2 Misfire Detected |
| P0304 | Cylinder 4 Misfire Detected |
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Video