0 psi ICP
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Junior User
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0 psi ICP
I recently did studs, gaskets, stc, standpipes, dummy plugs, and bullet proof oil cooler. I drove it around didn’t heard exhaust leak but other than it affecting my boost the truck ran good! Today I pulled the turbo and loosened up the y pipe and and up pipe, got everything lined up good with turbo and got it all tightened back down. Cranked up good (1-2 sec) and I let idle while I cleaned up my tools. Pulled out and going down the street I goosed it to see if my boost was biulding up like it should. The inter cooler pipe blew off boot with a pop and truck shut off. I cleaned it up and put back on and now truck cranks and has 0psi on the ICP and 85% IPR! WTH, crank and crank and can’t get any psi, unplugged ICP and it defaulted but still no start. What can cause no oil pressure at all that quick?
Postmaster
Joined: Aug 2015
Posts: 3,910
Likes: 18
From: NW IA
I recently did studs, gaskets, stc, standpipes, dummy plugs, and bullet proof oil cooler. I drove it around didn’t heard exhaust leak but other than it affecting my boost the truck ran good! Today I pulled the turbo and loosened up the y pipe and and up pipe, got everything lined up good with turbo and got it all tightened back down. Cranked up good (1-2 sec) and I let idle while I cleaned up my tools. Pulled out and going down the street I goosed it to see if my boost was biulding up like it should. The inter cooler pipe blew off boot with a pop and truck shut off. I cleaned it up and put back on and now truck cranks and has 0psi on the ICP and 85% IPR! WTH, crank and crank and can’t get any psi, unplugged ICP and it defaulted but still no start. What can cause no oil pressure at all that quick?
Fleet Mechanic
Joined: Feb 2007
Posts: 1,652
Likes: 79
From: Mooresville, NC
Sounds like debris might have circulated, took out something (like the IPR) or bad seal in high pressure system...................air test recommended
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Fleet Owner
Joined: Nov 2003
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With all the work you have done, you might want to pull and inspect the IPR valve, but in general, it is going to be the same as if you hadn't done any upgrades,
Verify base oil pressure/flow (sounds like you have good flow)
Verify accuracy of the ICP sensor (get voltage AND pressure readings when cranking, unusual to see 0 voltage)
Do an air test
edit .... slow posting, what he said ^
Verify base oil pressure/flow (sounds like you have good flow)
Verify accuracy of the ICP sensor (get voltage AND pressure readings when cranking, unusual to see 0 voltage)
Do an air test
edit .... slow posting, what he said ^
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Junior User
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Found busted screen and debri in the IPR, cleaned out and replaced the screen. Truck cranked right up! Drove about 10 miles and no problems. Come back home and parked, Tryed to crank about a hour later and no go! 220 psi on IPR, I’m sure it’s more debri but it to late to pull it again. I thought I kept everything clean while working on but I guess not good enough! Has anyone had to pull it several times to clean it out?
Lead Driver
Joined: Dec 2006
Posts: 6,496
Likes: 94
From: So. Jersey
Found busted screen and debri in the IPR, cleaned out and replaced the screen. Truck cranked right up! Drove about 10 miles and no problems. Come back home and parked, Tryed to crank about a hour later and no go! 220 psi on IPR, I’m sure it’s more debri but it to late to pull it again. I thought I kept everything clean while working on but I guess not good enough! Has anyone had to pull it several times to clean it out?
Sounds like you're on the right track though. Did you see the video on youtube about cleaning them produced by Diesel Tech Ron? I'll try to find it and drop a link here.
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