Another no ICP thread
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More Turbo
Joined: Oct 2020
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Another no ICP thread
Hey guys, 2000 ford F550 387k miles. It needed some love, I had a no start issue with no ICP so I replaced the HPOP with a cnc fab stage 2 HPOP, then a melling LPOP and IPR from orielly. The LPOP fixed it. (Threw parts at it because I was going to replace it all anyways but the LPOP was the 3rd part I threw at it)
Then it ran but like crap...It had an injector going out. Previous owner had 5 reman injectors and 3 originals in there. I ordered 180/30 injectors from FFD, injector cups, new glow plugs, valve cover gaskets, and an Irate T4 turbo kit with the 364.5SXE turbo as this rig is going to be hauling heavy and in remote areas.
Anyways, got it all done and I go to start it and after 8-10 times of cranking I am showing zero ICP. Any suggestions?
Then it ran but like crap...It had an injector going out. Previous owner had 5 reman injectors and 3 originals in there. I ordered 180/30 injectors from FFD, injector cups, new glow plugs, valve cover gaskets, and an Irate T4 turbo kit with the 364.5SXE turbo as this rig is going to be hauling heavy and in remote areas.
Anyways, got it all done and I go to start it and after 8-10 times of cranking I am showing zero ICP. Any suggestions?
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More Turbo
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I didn’t, I just pulled the ICP sensor and it was pressurized for sure. Thanks.
Lead Driver
Joined: Oct 2005
Posts: 6,129
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From: Ponca City, OK
Is the hpop res full? After pulling all the injectors it usually takes several long cranks to get the system filled and pressured. Like 3-5 20 sec. cranks, does for me anyway.
Oh and in case this is your first time on injectors it will sound like crap at start up and most likely smoke a lot. totally normal just get in and drive.
Oh and in case this is your first time on injectors it will sound like crap at start up and most likely smoke a lot. totally normal just get in and drive.
Thread Starter
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More Turbo
Joined: Oct 2020
Posts: 543
Likes: 259
Is the hpop res full? After pulling all the injectors it usually takes several long cranks to get the system filled and pressured. Like 3-5 20 sec. cranks, does for me anyway.
Oh and in case this is your first time on injectors it will sound like crap at start up and most likely smoke a lot. totally normal just get in and drive.
Oh and in case this is your first time on injectors it will sound like crap at start up and most likely smoke a lot. totally normal just get in and drive.
Yep, thats me, it was at 0. Long term I will swap out out for a motorcraft. I got what they had in stock at the time. Info on ICP readings above.
Its Comin Right for us!
Joined: Feb 2005
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From: GA
ive never had to crank on one that long after oil disassembly except when ipr was assembled incorrectly and not opening. Check you Ipr duty cycle
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More Turbo
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I’ll double check it today but from memory it starts at 14.9 and goes up to 65% I wanna say.
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Lead Driver
Joined: Oct 2005
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From: Ponca City, OK
Start by checking the oil in the reservoir. If it's low or even empty fill it up with good clean fresh oil and try cranking it again. If it's still won't start or register any pressure check the reservoir again. If it's not maintaining a proper level might be a low pressure pump issue. If it is then IPR is a suspect
Thread Starter
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More Turbo
Joined: Oct 2020
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Start by checking the oil in the reservoir. If it's low or even empty fill it up with good clean fresh oil and try cranking it again. If it's still won't start or register any pressure check the reservoir again. If it's not maintaining a proper level might be a low pressure pump issue. If it is then IPR is a suspect
Its Comin Right for us!
Joined: Feb 2005
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From: GA
be careful, theres china rebranded motorcraft floating around on ebay and amazon. Best deal your gonna find is here(unless you have account at ford). https://www.riffraffdiesel.com/ipr-i...gulator-96-03/
Rockauto looks cheaper till you add shipping and tax
what platform are you using to read pids? would be good to check icp, ipr %, p/w and cranking rpm. Also be goo to do a buzz test. Did you verify old ipr was bad? Hate to waste $200 that you could put towards a brownie box or rear axle etc
Rockauto looks cheaper till you add shipping and tax
what platform are you using to read pids? would be good to check icp, ipr %, p/w and cranking rpm. Also be goo to do a buzz test. Did you verify old ipr was bad? Hate to waste $200 that you could put towards a brownie box or rear axle etc
Its Comin Right for us!
Joined: Feb 2005
Posts: 12,135
Likes: 2,629
From: GA
I filled up the HPOP Resi, it only wants to make ICP when the ICP sensor is unscrewed from the oil rail. I didn't try ICP unplugged but screwed into the oil rail. If it is making ICP to about 2200 psi unscrewed wouldn't that sound like the IPR is working and just has a ton of air in it? Either way I will replace it with a MC one. LPOP is a new Melling one.
ICP is MC, IPR isnt, I will order one on Amazon since it is like half the price.
ICP is MC, IPR isnt, I will order one on Amazon since it is like half the price.
Thread Starter
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More Turbo
Joined: Oct 2020
Posts: 543
Likes: 259
be careful, theres china rebranded motorcraft floating around on ebay and amazon. Best deal your gonna find is here(unless you have account at ford). https://www.riffraffdiesel.com/ipr-i...gulator-96-03/
Rockauto looks cheaper till you add shipping and tax
what platform are you using to read pids? would be good to check icp, ipr %, p/w and cranking rpm. Also be goo to do a buzz test. Did you verify old ipr was bad? Hate to waste $200 that you could put towards a brownie box or rear axle etc
Rockauto looks cheaper till you add shipping and tax
what platform are you using to read pids? would be good to check icp, ipr %, p/w and cranking rpm. Also be goo to do a buzz test. Did you verify old ipr was bad? Hate to waste $200 that you could put towards a brownie box or rear axle etc
When the ipr solenoid not working it still slowly moves oil thru. IPR coil should ohm out to 5-20 ohms.To your point about the icp showing 2200 with sensor out of hole. When the computer sees extremely low icp at cranking it defers to a value usually 2000-2000 range.
im using a scan gauge for now.
Its Comin Right for us!
Joined: Feb 2005
Posts: 12,135
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From: GA
I wonder if pickup in pan is partially clogged or something?
i cant recall how the lpop works as far as parts and pieces
id reccomend forcscan lite for phone and obdmx+ bluetooth dongle for diagnosis. You can run tests like injector buzz, data log etc
maybe someone else will chime in
i cant recall how the lpop works as far as parts and pieces
id reccomend forcscan lite for phone and obdmx+ bluetooth dongle for diagnosis. You can run tests like injector buzz, data log etc
maybe someone else will chime in