Re: Duramax towing “engine reduce power”
It is a 2008
I found a shop that changes the valve from a 2 stage
Valve to a single stage.
The 2 stage opens at a high pressure and stays open till
The pressure drops below a low pressure setting
The single stage opens and closes at same set point
That my understanding of how the valves work.I could be
mistaken on operation of the valves
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