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International Automotive Technicians Network
Re: 06 Workhorse 8.1L Intermittent low power
Posted to HD/Fleet Forum on 10/7/2015

Houston, thanks for the reply. I found the same thing, MAF is down by the passengers wheel. All it takes is a piece of road debris to give it a whack and it may no no longer be functioning.

BTW, the MAF was the problem on this beast too. Runs a lot better no... Login to read more.