Quote:
Originally Posted by Rodslinger
I've always heard it can cause wet stacking, that's why I did the high idle mod on mine. If I'm letting her idle for any extended period I just flip the switch and she idles up.
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Quote:
Originally Posted by f250powerstrokeman
pretty sure that all powerstrokes 99 and later have the program from the factory which will make them idle 900 to 1200 rpms depending on ambient temperature outside
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I am not quite sure of the year myself..but if it is cold enought the computer automatically bumps idle to 1000 rpms.
05 and newer no longer an "aux idle module"...not sure about Alan's high idle mod (haven't read thread yet), but those years and newer had high idle built into the PCM...you have to send 12v to a wire under the dash (I used one of my factory upfitter switches) and it bumps RPMs to 1200, and higher (upto 2400 RPMs if voltage drops. Ford called it Battery Charge Protection, not high idle. Should be a purple/light green wire up behind the fuse box under driver's dash.
Here is the link I used, the first page towards the bottom, BCPSW:
https://www.fleet.ford.com/truckbbas...df/257-260.pdf
Probably won't help you 7.3 rigs....but I figure I would throw it out there.
