P2290
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Tuned
Joined: Jan 2006
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P2290
I started a thread on here a few months ago about a P2290 code I was getting. I am now experiencing some hot starting and drivability issues. Sounds weird starting with extended crank time and starting to miss erratically on the highway. I have updated standpipes and port plugs from when I replaced some injectors. Here are some questions that I have concerning this problem.
#1. Is it possible that I may have messed up some HPO seals at the rail to injector joint during re-assembly and the effects are just now really starting to show up?
#2 Is it possible that a leak in the HPOS could hasten the demise of the FICM due to increased electrical activity required to maintain injector performance? (The reason I ask is that I just had a P0611 code pop up this past weekend. I have already repaired it with a half shell from International.)
#3 Will 8 Alliant Power injector seal kits #AP0002 and 2 pipe and port plug seal kits AP0028 solve all HPOS leaks under the valve covers?
#4 It seems that once the RPMs hit 1500 or so (with the accelerator to the floor) the power really comes on which would in my mind indicate that the pump is still good and has the ability to overcome the leak at higher RPMs. Any thoughts or comments?
#1. Is it possible that I may have messed up some HPO seals at the rail to injector joint during re-assembly and the effects are just now really starting to show up?
#2 Is it possible that a leak in the HPOS could hasten the demise of the FICM due to increased electrical activity required to maintain injector performance? (The reason I ask is that I just had a P0611 code pop up this past weekend. I have already repaired it with a half shell from International.)
#3 Will 8 Alliant Power injector seal kits #AP0002 and 2 pipe and port plug seal kits AP0028 solve all HPOS leaks under the valve covers?
#4 It seems that once the RPMs hit 1500 or so (with the accelerator to the floor) the power really comes on which would in my mind indicate that the pump is still good and has the ability to overcome the leak at higher RPMs. Any thoughts or comments?
Fleet Owner
Joined: Apr 2012
Posts: 27,307
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From: Spanaway
I keep mixing up what year that start STC fitting.
Did you replace that too? If you have it and did
not replace it with the update then that would be
a good place to look. You should do an air test to find
the problem.
Sean
Did you replace that too? If you have it and did
not replace it with the update then that would be
a good place to look. You should do an air test to find
the problem.
Sean
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Tuned
Joined: Jan 2006
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From what I understand I do not have the STC fitting. For what little bit it costs (under $200 from Alliant) to do the seals I mentioned I wasn't going to bother with the diagnostics, just pull the rails and replace the seals. I just didn't know if there were any more seals under the valve covers other than the ones I mentioned. If there are other more difficult seals to replace then I'll probably get the air test done...
Lead Driver
Joined: Feb 2011
Posts: 8,241
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From: L.A. (Lower Alabama)
Many times an o-ring or seal can work back and forth and actually get smaller in diameter which lets it work around more and wear faster. We usually think of a seal failure being when it's missing or hanging out of it's groove but sometimes it's leaking because it has worn thin. So I would say yes on 1 and 4. On 3, it sure sound like it, 8 injector to oil rail seals, standpipes and dummy plugs should seal it up nicely. There was an update to standpipes and plugs that includes a Teflon back-up ring next to the o-ring and a larger groove to accommodate them. You might want to consider updating the tubes/plugs (they come with the seals installed). On #2, that's a good question, I'd be interested to see what others think.
If your working on the '05 EX, unless it's an very early production truck with an '04 engine, it will have a STC fitting. The '05 year model introduced the V-4 cast iron pumps with the STC branch tube connector and uses the later model IPR valve.
If your working on the '05 EX, unless it's an very early production truck with an '04 engine, it will have a STC fitting. The '05 year model introduced the V-4 cast iron pumps with the STC branch tube connector and uses the later model IPR valve.
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Tuned
Joined: Jan 2006
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My Ex is an 05 model built in Dec of 04. The engine build date is 11/04. IPR is on the valve cover though. I was under the impression that I did not have the STC fitting. If someone could verify that I would be grateful.
Fleet Owner
Joined: Apr 2012
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From: Spanaway
One other seal is at the top of each injector. You can replace then
but you can't get the part from Ford. They want to sell you an injector.
However there is a few other places to get the top O-ring.
Rusty do you have the name of that place that sells them?
I don't have it.
Sean
but you can't get the part from Ford. They want to sell you an injector.
However there is a few other places to get the top O-ring.
Rusty do you have the name of that place that sells them?
I don't have it.
Sean
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Tuned
Joined: Jan 2006
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One other seal is at the top of each injector. You can replace then
but you can't get the part from Ford. They want to sell you an injector.
However there is a few other places to get the top O-ring.
Rusty do you have the name of that place that sells them?
I don't have it.
Sean
but you can't get the part from Ford. They want to sell you an injector.
However there is a few other places to get the top O-ring.
Rusty do you have the name of that place that sells them?
I don't have it.
Sean
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Lead Driver
Joined: Feb 2011
Posts: 8,241
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From: L.A. (Lower Alabama)
Sean, I think he's on the right track with the Alliant power parts he mentioned earlier. You're right though, one of few parts you can't get at the Ford parts counter for some reason.
Ramsay, the ICP on the valve cover applies to the late 04's and 05 and up. The late 04 have the earlier swash plate style pump and no STC and the 05 Have have the later set-up. I think you are probably right with the 11/04 date would be early style pump and no STC.
Ramsay, the ICP on the valve cover applies to the late 04's and 05 and up. The late 04 have the earlier swash plate style pump and no STC and the 05 Have have the later set-up. I think you are probably right with the 11/04 date would be early style pump and no STC.
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Tuned
Joined: Jan 2006
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#2 Is it possible that a leak in the HPOS could hasten the demise of the FICM due to increased electrical activity required to maintain injector performance? (The reason I ask is that I just had a P0611 code pop up this past weekend. I have already repaired it with a half shell from International.)
Thread Starter
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Tuned
Joined: Jan 2006
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From what little bit of it I can see past the turbo it appears to be cast.
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Tuned
Joined: Jan 2006
Posts: 293
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I now see your point...I didn't even see that cheezit had cast iron and cast aluminum.
So. For the record. It is cast iron. My bad.
I also learned something today. Alliant Power has AP0028 (standpipe and port plug o-rings) in their catalogue, but are unable to supply the product. So it appears that I am going to have to buy standpipes and plugs (again).
So. For the record. It is cast iron. My bad.
I also learned something today. Alliant Power has AP0028 (standpipe and port plug o-rings) in their catalogue, but are unable to supply the product. So it appears that I am going to have to buy standpipes and plugs (again).
Lead Driver
Joined: Mar 2010
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From: Woodbridge, Ontario, CA
For some reason, I too suspect Ramsay has the later '05 model year engine in his Excursion. There are a couple of other identifying factors here as well. First off, all 2004 engines use an EGR throttle plate, while 2005 and up engines don't. But if the OP wants to identify his engine once and for all, I would say to look at the decal on the passenger side valve cover that bears the Navistar nameplate and the A325 designation. That decal will also identify the model year of the engine once and for all.
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Tuned
Joined: Jan 2006
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For some reason, I too suspect Ramsay has the later '05 model year engine in his Excursion. There are a couple of other identifying factors here as well. First off, all 2004 engines use an EGR throttle plate, while 2005 and up engines don't. But if the OP wants to identify his engine once and for all, I would say to look at the decal on the passenger side valve cover that bears the Navistar nameplate and the A325 designation. That decal will also identify the model year of the engine once and for all.
Designation A325C
Excursion build date 12/04
The date on the first FICM I swapped out was November 24 2004