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Re: MBE 4000 engine lacks power
Posted to HD/Fleet Forum on 2/23/2013

chances are it needs the valve, when I was at the detroit dealer if it came in with a egr valve code, no TS was needed, we just put a new valve on it.

Also while you have the valve off, it would be good to remove that 90 degree pipe that the EGR temp sensor ... Login to read more.