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LB7 Duramax dumping fuel
Posted to Technical Discussion Forum on 3/29/2023 9 Replies

We have an 02 Duramax LB7 that had all injectors replaced about two years ago. The truck is not driven much and now it is back dumping fuel into the oil.

We have added dye to the fuel and removed the valve covers to look fir a leak and can see nothing obviou... Login to read more.

9 Replies Received (View Replies)