Aaron, it sounds to me like you are trying to get more out of that generator then it is capable of producing.
Plus, I would highly recommend you find a dealer locally that will walk you thru "another" PDI. I'm sure you will have to pay them for there time and effort, but at this point I feel it would be money well spent on your part.
One more recommendation would be to video tape the entire PDI for future reference.
Sorry I couldn't be of more help answering all your concerns and questions.
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