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Re: 6.6 duramx fuel economy
Posted to Technical Discussion Forum on 9/23/2013 1 Reply

Yeah, the new ones seem better, but all the newer common rail stuff seems to have occasional injector problems. I guess with the super high pressure and the multiple injections per cycle, they're working them pretty hard.

I have 2 LLYs with over 250,000 km o... Login to read more.

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