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1998 BMW 740i 4.4L Misfire, MIL Lamp on
we had this car in last month with similar codes, we replaced 4 of the ignition coils, cleaned the plugs, and reset the computer. car was running fine. customer drove from nj to michigan last week, car ran fine all the way out. car started to misfire occasiona...
FIX posted 6/1/2002
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Message Closed w/FIX
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Related Documents & Media | VIN | WBAGF8320W |
| Engine | 4.4 L / 8 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0301 | Cylinder 1 Misfire Detected |
| P0302 | Cylinder 2 Misfire Detected |
| P0303 | Cylinder 3 Misfire Detected |
| P0304 | Cylinder 4 Misfire Detected |
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
1998 BMW 740i
| VIN | WBAGF8320W |
| Engine | 4.4 L / 8 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0301 | Cylinder 1 Misfire Detected |
| P0302 | Cylinder 2 Misfire Detected |
| P0303 | Cylinder 3 Misfire Detected |
| P0304 | Cylinder 4 Misfire Detected |
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Video