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Attention: TDR Forum Junkies
To the point: Click this link and check out the Front Page News story(ies) where we are tracking the introduction of the 2025 Ram HD trucks.

Thanks, TDR Staff
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    Archived HELP!!! 2007 Ford F650 w/ Cummins ISB 5.9 (non DEF) black smoke under acceleration

    Thanks for all of the replies, sorry for the slow response from me. (NIssacs) Pulled the charge air cooler today, nothing inside but did notice a few of the passages inside were smashed/closed off. Carefully straightened them with a flathead. Still smokes. Also removed the fuel return and...
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    Archived HELP!!! 2007 Ford F650 w/ Cummins ISB 5.9 (non DEF) black smoke under acceleration

    We have a 2007 Ford F650 rollback with an ISB 5.9 mated to an Allison 2200 RDS. Under acceleration low and heavy, the truck produces large amounts of black smoke. I get an intermittent service engine light but no codes show in the ECM. I just need someone with some good diesel logic that isn't...
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