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High Fuel Rate On LLY Duramax
Just wondering if anyone has any ideas on why one cylinder's fuel rate would be intermittently higher than the rest(+8.2mm3)? At this time engine compression seems to be good and the injector from this cylinder (#3) bench tested good and was swapped with #7 bu... Login to read more. ![]()
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| Engine | 6.6 L |
| Trans | 5-speed Automatic (Electronic) |
Vehicle Data
2004 GMC Sierra 3500 6.6L
| Engine | 6.6 L |
| Trans | 5-speed Automatic (Electronic) |

9 Replies Received
9 Replies Received