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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 2 Replies

Hi Albin,

I have not put a new HPP on it yet but am thinking that is my next step. Just looking for a way to prove it bad before doing it.

As for fuel quality, I do not have a API tester. I did put 10 gallons in the tank when it was reading 8% capacity. So... Login to read more.

2 Replies Received (View Replies)