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Old 01-07-2009, 09:30 PM
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IPR question

So I've narrowed a problem I am having with my truck down to either the IPR sticking or a fuel pressure issue. When I was checking out the IPR to make sure where it was at and all, I noticed that the 90* plug on the top of it moves quite a bit back and forth. From what I understand this isn't normal. What would cause this to move? Could this be causing a problem that would seem like the IPR is sticking? Can this be fixed without buying a new IPR? Does a new IPR come with that outer piece that the plug is a part of or is the new part just the skinny piece inside?
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Old 01-08-2009, 03:54 AM
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What are the symptoms of an IPR sticking?
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Old 01-08-2009, 04:04 AM
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Quote:
Originally Posted by FordCowboy View Post
So I've narrowed a problem I am having with my truck down to either the IPR sticking or a fuel pressure issue. When I was checking out the IPR to make sure where it was at and all, I noticed that the 90* plug on the top of it moves quite a bit back and forth. From what I understand this isn't normal. What would cause this to move? Could this be causing a problem that would seem like the IPR is sticking? Can this be fixed without buying a new IPR? Does a new IPR come with that outer piece that the plug is a part of or is the new part just the skinny piece inside?
Is just the plug loose on the coil or the whole coil assembly loose? i believe that the coil is serviced separately from the actual valve.
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Old 01-08-2009, 08:53 AM
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Just the plug is loose. Nothing else moves.
Quote:
What are the symptoms of an IPR sticking?
What I'm getting is a little bit of a miss. After hooking it up to a friends AutoEnginuity everything checked out fine except I would have weird spikes in the high pressure oil. Seemed like the IPR may be sticking and the ICP might be trying to compensate or something giving me my miss.
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Old 01-08-2009, 09:49 AM
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Nevermind about just the plug moving. I got to taking it apart and the whole cylinder that the plug is a part of was moving. Tightening the nut at the end of the IPR made it stop moving.
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Old 01-08-2009, 12:20 PM
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I think I may be having a very similar problem. Doesnt seem like my truck has a miss though cuz its more of a slow surge instead of a stutter like with a miss. More of a surge up and down at idle and while driving. Only noticeable with slow cruising. If im going fast enough, it seems to not be noticeable. Ive noticed that on my TS MPD, the ICP is surging up and down between about 350-600psi at idle. Is this about the same for u?
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Old 01-08-2009, 12:22 PM
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I had a little bit of jumping around at idle like that, but I also had big jumps when I was driving and the truck would stutter or miss a bit.
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Old 01-08-2009, 12:24 PM
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Originally Posted by FordCowboy View Post
I had a little bit of jumping around at idle like that, but I also had big jumps when I was driving and the truck would stutter or miss a bit.
So have you fixed yours? If so, what all did u do?
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Old 01-08-2009, 12:27 PM
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Haven't fixed it yet. Just picked up a deep enough socket to get the IPR off today. I was thinking about seeing if it was dirty and clogged up and if that was making it stick, and trying to clean it up. Otherwise replace the IPR and see what that does. Here is a link that tells you quite a bit about the IPR. New Page 0
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