high idle
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Senior User
Joined: Jan 2008
Posts: 322
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From: Simsbury, CT
high idle
Do these engines come with an automatic high idle? My buddy was showing me how his 6.0 has 3 different idle levels and since then I've been watching for mine to. I always leave it plugged in at night so when I crank it up in the morning it idles at about 600-650 RPM, it also has a deeper rumble. Today after sitting from 7:30 a.m. until 5:45 p.m. in one of the coldest days of the winter it cranked right up after a about 15 secs. of the "wait to start" light glowing. However, today it went straight to a higher idle at about 800 RPM.
-Thanks
P.S. I had the heat on full blast with the headlights on.
-Thanks
P.S. I had the heat on full blast with the headlights on.
Post Fiend
Joined: Apr 2004
Posts: 12,835
Likes: 3
From: Silver Lake Dunes, MI
The difference in idle is due to oil thickness more than likely. The 99 and up trucks will start at a normal idle then after a while will kick the idle up. Ours will not kick it up unless you have and Aux. Idle Control like 79_250.
OBS- Old Body style, 97 and older trucks.
OBS- Old Body style, 97 and older trucks.
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FTE Leadership Emeritus
Joined: May 2001
Posts: 13,653
Likes: 6
From: Cabot, Arkansas
Originally Posted by tjbeggs
In an acronym and a word...OBS no. the Superduties do but the OBS trucks don't have a stock high idle.
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Post Fiend
Joined: Apr 2004
Posts: 12,835
Likes: 3
From: Silver Lake Dunes, MI
Any time Scott. No harm done!! Most things are exactly the same but just a few differenced. I wish the OBS did high idle like the SD!!
Scott I still haven't forgetten about the truck buying article I just haven't done anything with it. Maybe soon!!
Scott I still haven't forgetten about the truck buying article I just haven't done anything with it. Maybe soon!!
Senior User
Joined: Jan 2007
Posts: 383
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From: Jamestown, Ohio
This is odd to me because my 94' idi had a high idle from the factory so I would think my 97' powerstroke would. Although I know from experience that it does not. Do any of you know why this is? Is it because it was mchanical?
FTE Leadership Emeritus
Joined: May 2001
Posts: 13,653
Likes: 6
From: Cabot, Arkansas
Originally Posted by tjbeggs
Any time Scott. No harm done!! Most things are exactly the same but just a few differenced. I wish the OBS did high idle like the SD!!
Scott I still haven't forgetten about the truck buying article I just haven't done anything with it. Maybe soon!!
Scott I still haven't forgetten about the truck buying article I just haven't done anything with it. Maybe soon!!
It does bring a question to mind. Since y'all don't have a factory high idle, and given the expense of the APCM, why are there not more of you building idle controllers with a resistor and a rheostat?
I know there are minor differences in the throttle pedals between OBS and 99+, but you have the same TPS and IVS do you not? Should be a simple matter of wiring up your own adjustable idle controller.
I did one for mine years ago before you could get that option on a chip. I think I've still got it laying around. I could dig it out and post up how it was wired if there is any interest in such an animal.
Post Fiend
Joined: Apr 2004
Posts: 12,835
Likes: 3
From: Silver Lake Dunes, MI
Yeah it has been discussed here recently. I have everything I need other than the pot (just gotta order it one of these days!)right now to do it. I would prefer to have the high idle mod rather than the chip mainly cause you can vary the RPM with the mod.