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Re: 5.2 DuraMax SCV Relearn/Pump Timing
Posted to HD/Fleet Forum on 12/30/2011

Hi Lance,

I am not at all familiar with the vehicle or engine in this post . The result of being out of time would be a lack of [...] fuel rail pressure drops when the injector is actuated .This is timed to a rising pressure pulse created by one of the pump ... Login to read more.