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Re: 05 cat C7 what would cause high exhaust temp
Posted to HD/Fleet Forum on 10/15/2020

Dave,

Are you getting faults?

ARD system on CAT is not a precise temp wise as the Cummins DPF system with a DOC. Optimal Regen temps can be 950 to 1150. Targets are usually around 1050 inside the DPF. Actual Flame temp will be much higher.

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