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Diagnosing a few misfires
I'm in the process of figuring one of these out...I think. This one came in with a P0300. Misfire data showed #7 with a dead miss and #2 with a miss, but not quite as bad. My customer had already done what he could. He replaced the plugs and one coil with AC D... Login to read more. 
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| Engine | 4.8 L |
| Trans | 4-speed Automatic (Electronic) |
| Symptoms | Misfire |
Vehicle Data
2002 Chevrolet Tahoe LS 4.8L Misfire
| Engine | 4.8 L |
| Trans | 4-speed Automatic (Electronic) |
| Symptoms | Misfire |
Video