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International Automotive Technicians Network
Re: 6.6 L Duramax Fuel System Questions
Posted to Technical Discussion Forum on 7/17/2015

Hi Lou,

I'd reread what Albin and Jordan put up. If you're sure fuel quality is not an issue I'd be inclined to think there is a problem with the HPP. But, on that vehicle the front tank is 27 gallons and the rear is 23 gallons. 8% would put it at 4 gallons ... Login to read more.