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7.3 Issue?

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Old Jan 4, 2021 | 07:57 PM
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7.3 Issue?

So, I was trying to pull this woman who was stuck in her jeep out of a mud hole with my F250. I stalled a few times trying to pull her out since my F250 is a stick shift, so I had to crank it up several times. Well, I turned up my TS tuner and tried one more time and my truck stalled out again when I couldn't get her out. I TRIED to crank it back up and the truck only turned over but wouldn't start. My fuel pump was turning on so I knew it wasn't the pump. My brother had to come pull me to my shop.

Well, I just went out and it fired right up. Before I cranked it up again, I was thinking I blew a turbo line or something. I ran a diagnostic on the truck and the only new error code I saw was about the ICP had an error. I then looked on top of the engine and saw a golden looking part laying on top of the engine and didn't know what it went on. I also saw that the HPOP piece was loose as well (circled in RED)...is it suppose to move freely to where you can take it off the shaft its on in the photo?

I'm kind of afraid to drive it now..


 
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Old Jan 4, 2021 | 08:02 PM
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Put it in a lower gear if you keep stalling or learn how to slip the clutch a little.
 
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Old Jan 4, 2021 | 08:07 PM
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Originally Posted by 00t444e
Put it in a lower gear if you keep stalling or learn how to slip the clutch a little.
I had it in the LOW gear in the transmission BUT I did have the 4x4 in HIGH. I'm pretty cautious with the clutch because I don't want to burn it up. LOL.

Well, what do you think about that piece on back of the HPOP? Why did the truck not want to crank back up until way later?
 
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Old Jan 4, 2021 | 08:16 PM
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That's the IPR and the solenoid is not supposed to move freely. The part you found is the spacer for it and there is supposed to be a tin nut that threads on the end to hold it all together. I wouldn't drive it like that. You should be able to get a rebuild kit or probably just the tin nut alone if you can't find it. It might be in the valley there somewhere.
 
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Old Jan 4, 2021 | 08:18 PM
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Id put that spacer and tinnerman nut back on. Will probably be just fine after that. This is the cause of no icp and your stalling. Not a bad habit to check it at every oil change.
If you lost it you can buy just the spacer and tin erman nut on Amazon


Solaris typed faster than i.
 
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Old Jan 4, 2021 | 10:01 PM
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Thanks everyone. Found the tin nut...was under a bunch of dirt that has accumulated on the engine. Tightened all up and fixing to finally head home.
 
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Old Jan 4, 2021 | 10:06 PM
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Oh, the diagnostic said IAT Sensor circuit high and CMP circuit fault.
 
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Old Jan 5, 2021 | 06:52 PM
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Anytime your in that situation again (stalling) put it in 4 low. Gives you much lower gears...
 
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Old Jan 5, 2021 | 09:09 PM
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Originally Posted by kbeefy
Anytime your in that situation again (stalling) put it in 4 low. Gives you much lower gears...
I would have but thata what i hate about these newer trucks....a fuse blown for my electric 4wd to shift in 4LO.
 
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Old Jan 6, 2021 | 04:07 PM
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Originally Posted by ManfredVonRichtofen
I would have but thata what i hate about these newer trucks....a fuse blown for my electric 4wd to shift in 4LO.
Its the same fuse that used to shift in to 4x4 high, sounds like you have other issues. Swap to a manual shift transfer case and all those problems will go away.
 
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Old Jan 6, 2021 | 05:09 PM
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Originally Posted by ManfredVonRichtofen
I would have but thata what i hate about these newer trucks....a fuse blown for my electric 4wd to shift in 4LO.
Are you aware the truck must be stopped and shifter has to be in neutral to go into 4Low with our ESOF? Took me a while to figure it out.
 
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Old Jan 6, 2021 | 05:36 PM
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Originally Posted by RacinJasonWV
Are you aware the truck must be stopped and shifter has to be in neutral to go into 4Low with our ESOF? Took me a while to figure it out.
You need to have the transmission in neutral or the clutch pushed in to shift into 4x4 low on any manual or electronic shift transfer case.
 
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Old Jan 6, 2021 | 07:09 PM
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Originally Posted by 00t444e
You need to have the transmission in neutral or the clutch pushed in to shift into 4x4 low on any manual or electronic shift transfer case.
and stopped... no shifting into 4 LOW in motion. Also, the brake must be on as well...


 
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Old Jan 6, 2021 | 07:14 PM
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Or...



 
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Old Jan 6, 2021 | 07:19 PM
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Originally Posted by Sous
and stopped... no shifting into 4 LOW in motion. Also, the brake must be on as well...

I can shift mine in and out of 4x4 low while rolling at 2-3 MPH without my foot on the brake.
 
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