ISX15 CM870 Pto mode tuning
01-04-2022, (Subject: ISX15 CM870 Pto mode tuning ) 
Post: #3
RE: ISX15 CM870 Pto mode tuning
What make,model and year truck? Some models don't "bump" up. They are a press and hold. Some have the "resume" side of the cruise switch as PTO and set side as idle or the opposite. Also be sure your max PTO RPM is set high enough. I usually set mone to 1850 so I can quickly bubble test the intake/aftercooler system on the truck anywhere I'm at.
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RE: ISX15 CM870 Pto mode tuning - Chamberpains - 01-04-2022



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