Suspected IPR issue??
FTE Leadership Emeritus
Joined: May 2014
Posts: 27,348
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From: Lake Hartwell, GA
An axle nut deep socket in 29mm or 1 1/8" will work very well. Most part stores will have one on the shelf.
I was lucky enough to have a 3D printed IPR wrench made by an FTE'r sent to me.
I believe some plumbing/faucet wrenches will work too. That is according to @Listor at the link below.
Link: https://www.ford-trucks.com/forums/1...l#post20156018
I was lucky enough to have a 3D printed IPR wrench made by an FTE'r sent to me.
I believe some plumbing/faucet wrenches will work too. That is according to @Listor at the link below.
Link: https://www.ford-trucks.com/forums/1...l#post20156018
Got Data?
Joined: Dec 2012
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From: Lake Stevens, WA
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From: Albuquerque
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Mountain Pass
Joined: Apr 2021
Posts: 172
Likes: 66
From: Texas gulf coast
I got the new IPR installed today. My truck has fired right up multiple times, cold and hot, without issue. I am still seeing ICP below 500, lowest being 460-470, while idling but the truck hasn't died like before. When I romp on the throttle the ICP will top out at 2400. Are these numbers acceptable. I haven't paid attention to the idle ICP but I can push over 3000 ICP on my 1999.
Got Data?
Joined: Dec 2012
Posts: 4,245
Likes: 1,375
From: Lake Stevens, WA
Great to hear that new IPR got her going again. ICP varies with a number of things, from commanded IPR% and pulse width asked for, to injector and HPOP health, so would have to review the driving situation/data. 2400psi could be more than adequate for most situations. I'm on a mission to try to keep ICP above 2700psi with IPR% under 60%, for best power and efficiency, but it's not critical for decent performance in most cases.
If you'd like to log a driving run where you see 2400psi ICP, we could take a look and see what the PCM is asking for in that situation.
If you'd like to log a driving run where you see 2400psi ICP, we could take a look and see what the PCM is asking for in that situation.
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I got the new IPR installed today. My truck has fired right up multiple times, cold and hot, without issue. I am still seeing ICP below 500, lowest being 460-470, while idling but the truck hasn't died like before. When I romp on the throttle the ICP will top out at 2400. Are these numbers acceptable. I haven't paid attention to the idle ICP but I can push over 3000 ICP on my 1999.
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Mountain Pass
Joined: Apr 2021
Posts: 172
Likes: 66
From: Texas gulf coast
Thanks for that info. I was asking because my problem was intermittent, so 3 or 4 good starts didn't have me convinced. I'm also having a hard time getting data files to save on my tablet so I don't have any to share. I do know that the IPR% is 16-17 while just driving along and at idle, and tops out at 35% during heavy acceleration with a pulse width of 3.4-3.6 Just trying to make sure I don't have a weak HPOP masking it's self as an IPR problem.
Thanks again
Chad
Thanks again
Chad
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