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ipr duty cycle

  1. IPR Valve Duty Cycle 30% @ start-up

    7.3L Power Stroke Technical Info
    Hello Everyone, Finally able to get back to my '02 F250 and try to get it running again. Parked almost a year ago with rough running and hard start. While cranking my IPR duty cycle is at 30% (Pressure starts at 500, jumps up to 800, then as high as mid-2000s). That's after installing a new...
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