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Message: [QUOTE="HAVOK9INE, post: 1553460, member: 33710"] Long story short, my 99 250 with 240,000 miles starts fine when cold, but will not start when oil temp is over 135, and even then it's a long crank. My IPR is fully closed but my ICP will not build adequate pressure, bouncing between 350-400. I know I've got a leak somewhere, but I've pulled the VCs and looked while it was running hot and could not find what I would call a leak coming from the injectors. So my assumption is that I'm leaking inside. On top of that, it occasionally dies when running when the oil temp is over 150 and I shift from drive to reverse, or go from full stop to rolling forward. I've replaced all injector o-rings, injector cups, the ICP, IPR, CPS, and the ICP and IPR harnesses. HPOP is less than a year old as are the fittings. I am not gaining oil on the stick and my coolant seems to be staying at the same levels (that I can see). I've cleaned the entire valley and top of the engine and have not seen any build up of oil anywhere. My questions is: is there a way to isolate which injector could be leaking, or do I need to pull all the injectors again? I've posted this issue in another forum and have received great ideas, but does anyone have any other place that I could look or input on something that I may have missed? I do have FORScan and have several FORScan files that show the issue. [/QUOTE]

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