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Message: <blockquote data-quote="adulbrich" data-source="post: 8481808" data-attributes="member: 661255"><p>Alternators controlled differently? They're just internally regulated and not connected to the PCM. That doesn't have to do with the truck setting idle RPM. The computer is programmed to not let it drop below 500rpm and not send it over 700ish rpm at idle. When it dips a little, the truck revs up to compensate. I am thinking about getting a tuner or seeing if they can raise my idle RPM with an electronic tool at the dealership though.</p></blockquote><p></p>

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