At wot it seems to fall on its face - Ford Powerstroke Diesel Forum
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Old 06-22-2013, 08:10 PM
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At wot it seems to fall on its face

Hey guys, my 01 was running real strong when I first put the majority of my mods on. Just recently I did the ccv mod and I also installed the riffraff frx. Truck ran a lot better. But today I took it out and it seems to fall out at wot. Like it will build boost, 23-24 and it will just kinda not go anymore. Feels like its goin as fast as it will go. I don't see any leaks on my up pipes, I check them thou roughly tomorrow but. Could it be a hpop or a boost leak? I know my clutch its old and loud could it be slipping that bad? Any suggestions would be great. Thanks
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Old 06-22-2013, 11:40 PM
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If you didn't have a boost fooler, I would think your defueling which happens right about 24 psi. It could be your stock wastegate opening, try unplugging the red line. Also check your ICP, you could just be running out of oil on the top end.
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Old 06-23-2013, 05:27 AM
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I got the waste gate unplugged and I just replaced icp about three weeks ago. I'm stumped lol
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Old 06-23-2013, 11:09 AM
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Try the IPR
Mine was faulty. It didn't throw codes and the truck ran fine. But when I replaced it in search of my power loss the truck gained back my top end power.

Along the way I replaced up pipes, turbo wheel, ICP, added a fuel pressure gauge and the biggest difference was the IPR
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Old 06-23-2013, 11:11 AM
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You can try stuff all day long. It could be lack of high pressure oil, lack of fuel pressure, or just defueling as stated. Monitoring live data will tell you what it is/isn't.
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Old 06-23-2013, 11:30 AM
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Quote:
Originally Posted by jesilvas View Post
You can try stuff all day long. It could be lack of high pressure oil, lack of fuel pressure, or just defueling as stated. Monitoring live data will tell you what it is/isn't.
Yes that is correct. Sorry I should have been clearer on that.
In my case, all the things I replaced did need to be replaced, just the IPR made the biggest difference to me.
I use the edge insight for data monitoring and that's how I came to replace the IPR in the first place
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Old 06-23-2013, 03:49 PM
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I would check fuel pressure at WOT first.
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Old 06-23-2013, 03:50 PM
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how about a hole rubbed through the map sensor boost line?
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Old 06-23-2013, 04:47 PM
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Quote:
Originally Posted by cfd_shop View Post
how about a hole rubbed through the map sensor boost line?
That should affect all aspects of acceleration and mileage, not just the top end.
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Old 07-20-2013, 06:31 AM
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I had a modis scanner on if but it couldn't read fuel pressure for some reason, where can I put a mechanical gauge?
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