IPR replacement
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Senior User
Joined: Apr 2011
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From: Long Beach,CA.
IPR replacement
When changing out the IPR and first draining the HPOP oil, do you guys save it and reuse it? Or do you need to add new oil? Also how much oil does it take or do you just fill it to the top?
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Senior User
Joined: Apr 2011
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From: Long Beach,CA.
Lead Driver
Joined: Jun 2004
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From: Amarillo, TEXAS!
Craftsman 1-1/8", 1/2" drive deep socket. It's deep enough to fit the IPR and still get the ratchet drive into the socket.
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Senior User
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From: Long Beach,CA.
I also am changing out the EBV sensor. Question: I went to clean out the tube and the tube was pretty much clean! Is that normal? I'm glad it was, but surprised!
I guess since it wasn't clogged up, my sensor is at fault. I'm guessing
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Post Fiend
Joined: May 2009
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From: Pea Ridge, AR
They can be clean, just depends on how much soot has been in the exhaust. Make sure to check/clean all the way down to the fitting at the manifold in case that's where it's clogged and keeping it from coming up the tube to the sensor.
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From: Long Beach,CA.
. I said um, that's ok, I'll in be shortly to pick up my truck! So I've got the IPR installed, just waiting on the mail to get here with my EBV! . Hopefully with replacing those 2 things- the codes will go away and truck will run a bit better! 
Lead Driver
Joined: Jun 2004
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From: Amarillo, TEXAS!
Yeah, the book says to pull the fuel filter housing AND the x-pipe off to change the IPR. What a joke. I might go apply for a tech job at the dealership here and volunteer to change IPRs on 7.3s all day. I'd be rich, I tells ya!
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From: Long Beach,CA.
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Senior User
Joined: Apr 2011
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From: Long Beach,CA.
Ok, finally got my EBP sensor in the mail- installed it ......and started the truck. It was idling very rough for a couple mins. I decided to drive her a bit to get her up to temps and get on the pedal to blow out whatever, after a few she seemed to run like normal and the idle was back to where it should be (so I think).
Question: do you think she was running and idling rough due to changing the IPR and losing a small amount of oil in the HPOP? Maybe the HPOP needed to be topped off by running her a bit- and now everything is where it should be? Does that make sense?
Question: do you think she was running and idling rough due to changing the IPR and losing a small amount of oil in the HPOP? Maybe the HPOP needed to be topped off by running her a bit- and now everything is where it should be? Does that make sense?
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Joined: Aug 2014
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From: Australia
Yeah that sounds correct the HPOP reservoir will fill when you take the truck for a run , if it was down to far it wouldn't hurt to take the inspection plug out and top up to 1/2'' to the top.