Matt Saunoras Posted August 17, 2013 Share Posted August 17, 2013 Any reason to not put a new style IPR screen on an 03-04 IPR valve? I've got an early IPR screen that's been pushed in from dirt in the oil reservoir. As far as I know you can't get the early screen by itself, is this correct? Quote Link to comment Share on other sites More sharing options...
Matt Saunoras Posted August 18, 2013 Author Share Posted August 18, 2013 Here's a pic. I noticed looking at the back side of the screen that the dirt is hanging through the courser mesh screen. This truck did have a rough idling power balance with no individual misfires present like I have seen with previous IPR contamination concerns. Since it hadn't ran in a year I wasn't sure what was going on. Quote Link to comment Share on other sites More sharing options...
Keith Browning Posted August 18, 2013 Share Posted August 18, 2013 I think what happens here is that eventually the screen cracks allowing debris to pass through the screen sometimes causing the valve to hang open. It also may cause distortion of the screen and plastic loosening it's grip on the tip of the IPR. I also think that if the screen clogs enough, oil pressure gets behind the O-rings and pushes the screen off the IPR. Nice pic! Quote Link to comment Share on other sites More sharing options...
Matt Saunoras Posted August 20, 2013 Author Share Posted August 20, 2013 Well I'm not going to get to find out how that new IPR screen works on an 03. The IPR is toast. Drove the truck ten miles today, it's running like a top. Get within 20 feet of the shop and it dies. By some miracle, I'm in a busy single lane road in front of the shop and there's a guy coming the other way making a left right as I'm making my left. I had plenty of momentum to coast across the lane, into the lot and park it out of the way. Usually the lot is jammed up with drop off cars and usually the road is so busy you can't get in or out. Some how, some way I didn't get stuck on the road with a dead 6.0 It actually threw me a P2623, IPR circuit failure or something along those lines. Can't say I even knew that code existed. Quote Link to comment Share on other sites More sharing options...
Keith Browning Posted August 20, 2013 Share Posted August 20, 2013 That code is rare but almost always seems to be due to the IPR itself. We had. Used truck on our lot that would stall but only after driving 30 minutes. I finally figured it out and bench tested the IPR by connecting an ohm meter to it the heating it up with a propane torch. The hotter it got the higher the resistance went. Popped in a new valve and no more stalling. I still have that IPR ... Quote Link to comment Share on other sites More sharing options...
mchan68 Posted August 20, 2013 Share Posted August 20, 2013 If you ohm out a new IPR out of box, I believe it ohms out to 6.0 ohms almost exactly. Quote Link to comment Share on other sites More sharing options...
Alex Bruene Posted August 20, 2013 Share Posted August 20, 2013 almost exactly. Are you sure you didn't mean "totally partial"? 1 Quote Link to comment Share on other sites More sharing options...
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