No Start after head gaskets
Thread Starter
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Laughing Gas
Joined: Aug 2004
Posts: 1,138
Likes: 0
From: Yuba City, Ca
No Start after head gaskets
So here goes, 2005 F-350 6.0l replaced head gaskets, new stand pipes, dummy plugs and no once back together i have a no start condition. Everything is measured with SGII
-Oil is full (checked after cranking and filling oil rails.
-All sensors are plugged in
-Fuel level is good and have fuel to the banjos
-No codes present
While cranking engine has no ICP, no IPW, IPR is 45%, FMP is 48v, FVP 12.5v, FLP 12.5v and SYNC is 0. I'm not quite sure what is going on..
During cranking originally i had removed the ICP sensor to bleed the air out of the system and once i seen oil come out i quit cranking and re-installed the icp sensor and cranking for at least 10-15 mins total time it still is showing no ICP value. Saw it at 2-3 once briefly but wont come off 0 now. ICP sensor i put on my buddies 07 and it fired just fine. So its good i assume. Im totally lost here and im supposed to leave for a 1000 mile trip with my son in two days and need to finish this up since i will be towing the camp trailer with it.
Any help or suggestions would be appreciated. Im thinking about pressurizing the HPO System with air and checking to make sure it isnt HPO problem.
-Oil is full (checked after cranking and filling oil rails.
-All sensors are plugged in
-Fuel level is good and have fuel to the banjos
-No codes present
While cranking engine has no ICP, no IPW, IPR is 45%, FMP is 48v, FVP 12.5v, FLP 12.5v and SYNC is 0. I'm not quite sure what is going on..
During cranking originally i had removed the ICP sensor to bleed the air out of the system and once i seen oil come out i quit cranking and re-installed the icp sensor and cranking for at least 10-15 mins total time it still is showing no ICP value. Saw it at 2-3 once briefly but wont come off 0 now. ICP sensor i put on my buddies 07 and it fired just fine. So its good i assume. Im totally lost here and im supposed to leave for a 1000 mile trip with my son in two days and need to finish this up since i will be towing the camp trailer with it.
Any help or suggestions would be appreciated. Im thinking about pressurizing the HPO System with air and checking to make sure it isnt HPO problem.
Logistics Pro
Joined: Dec 2004
Posts: 4,138
Likes: 7
From: South Weber, Utah
<p>
</p>
<p>With the ICP at zero the IPR% should be at 85 while cranking. What does the ICPV 's show at KOEO</p>
So here goes, 2005 F-350 6.0l replaced head gaskets, new stand pipes, dummy plugs and no once back together i have a no start condition. Everything is measured with SGII</p>
<p> </p>
<p>-Oil is full (checked after cranking and filling oil rails.</p>
<p>-All sensors are plugged in</p>
<p>-Fuel level is good and have fuel to the banjos</p>
<p>-No codes present</p>
<p> </p>
<p>While cranking engine has no ICP, no IPW, IPR is 45%, FMP is 48v, FVP 12.5v, FLP 12.5v and SYNC is 0. I'm not quite sure what is going on..</p>
<p> </p>
<p>During cranking originally i had removed the ICP sensor to bleed the air out of the system and once i seen oil come out i quit cranking and re-installed the icp sensor and cranking for at least 10-15 mins total time it still is showing no ICP value. Saw it at 2-3 once briefly but wont come off 0 now. ICP sensor i put on my buddies 07 and it fired just fine. So its good i assume. Im totally lost here and im supposed to leave for a 1000 mile trip with my son in two days and need to finish this up since i will be towing the camp trailer with it.</p>
<p> </p>
<p>Any help or suggestions would be appreciated. Im thinking about pressurizing the HPO System with air and checking to make sure it isnt HPO problem.
<p> </p>
<p>-Oil is full (checked after cranking and filling oil rails.</p>
<p>-All sensors are plugged in</p>
<p>-Fuel level is good and have fuel to the banjos</p>
<p>-No codes present</p>
<p> </p>
<p>While cranking engine has no ICP, no IPW, IPR is 45%, FMP is 48v, FVP 12.5v, FLP 12.5v and SYNC is 0. I'm not quite sure what is going on..</p>
<p> </p>
<p>During cranking originally i had removed the ICP sensor to bleed the air out of the system and once i seen oil come out i quit cranking and re-installed the icp sensor and cranking for at least 10-15 mins total time it still is showing no ICP value. Saw it at 2-3 once briefly but wont come off 0 now. ICP sensor i put on my buddies 07 and it fired just fine. So its good i assume. Im totally lost here and im supposed to leave for a 1000 mile trip with my son in two days and need to finish this up since i will be towing the camp trailer with it.</p>
<p> </p>
<p>Any help or suggestions would be appreciated. Im thinking about pressurizing the HPO System with air and checking to make sure it isnt HPO problem.
<p>With the ICP at zero the IPR% should be at 85 while cranking. What does the ICPV 's show at KOEO</p>
Thread Starter
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Laughing Gas
Joined: Aug 2004
Posts: 1,138
Likes: 0
From: Yuba City, Ca
ICPV i forgot to select to look at it...
and the ipr being so low is odd to me.. what would cause that?
Lead Driver
Joined: Feb 2011
Posts: 8,241
Likes: 155
From: L.A. (Lower Alabama)
Air test is on the right track but I'd try starting it with the ICP disconnected first and see what icp reads then also. If the ScanGauge is new you may want to double check XGauge code.
Cargo Master
Joined: Oct 2003
Posts: 2,833
Likes: 4
From: Jefferson, Iowa
Also check wiring to the cam and crank position sensors. With no sync you do not have a IPW (FPW) so your injectors are not opening. You need to have all of the following before you will have FPW, 150+ cranking RPM, Cam Crank sync, FICM Sync, and 500 psi ICP. As Cheezit said, check the FICM plugs too. Fix the 0 sync problem and you will have it going.
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Lead Driver
Joined: Feb 2011
Posts: 8,241
Likes: 155
From: L.A. (Lower Alabama)
Hope I don't sound like I'm trying to argue but he's cranked for 10-15 min and seen(almost)no ICP. His post was well written and he stated no sync which is a common DTC on extended cranking. He also stated he had oil coming out of the ICP hole. Being the ICP worked on another truck, I was thinking it may be an issue with the harness or ICP connector and after disconnecting the ICP it would either start or continue to show 0 when disconnected. I understand the FICM connectors are a common problem but can that cause a 0 ICP reading? Did I get the cart before the horse?
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Post Fiend
Joined: Oct 2009
Posts: 12,123
Likes: 35
From: N. Fort Worth, tx
Poor connection are going to cause lots of odd issues, im a fan of both easy and common.
Lets just say we have a vref short as a result of the poor contacts, whats the icp going to do?
Then we still have no sync... be it either of the 2 sync pids, wich in the ops rather well written description he failed to state.
Also no sync you have no fpw aka mass fuel desired, the pcm/ficm will disable injectors from firering and you still have a nostart.
Imo if you fix one you will fix the other.
Lets just say we have a vref short as a result of the poor contacts, whats the icp going to do?
Then we still have no sync... be it either of the 2 sync pids, wich in the ops rather well written description he failed to state.
Also no sync you have no fpw aka mass fuel desired, the pcm/ficm will disable injectors from firering and you still have a nostart.
Imo if you fix one you will fix the other.
Thread Starter
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Laughing Gas
Joined: Aug 2004
Posts: 1,138
Likes: 0
From: Yuba City, Ca
So tomorrow I'm gonna go to the dealer and get the ipr pigtail and put air to the ICP hole. Hopefully its a simple air leak and not a hpop that decided to fail. Also I went ahead and unplugged and replugged everything in at least twice making sure I had good clean connections. ICPV is at 2.2-2.3 while cranking.
Any other tips? Where would you head next?
Thread Starter
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Laughing Gas
Joined: Aug 2004
Posts: 1,138
Likes: 0
From: Yuba City, Ca
Hope I don't sound like I'm trying to argue but he's cranked for 10-15 min and seen(almost)no ICP. His post was well written and he stated no sync which is a common DTC on extended cranking. He also stated he had oil coming out of the ICP hole. Being the ICP worked on another truck, I was thinking it may be an issue with the harness or ICP connector and after disconnecting the ICP it would either start or continue to show 0 when disconnected. I understand the FICM connectors are a common problem but can that cause a 0 ICP reading? Did I get the cart before the horse?
I've made sure the ficm harness is grounded too and was very clean before doing so. Same with engine to body and body to frame.
Thread Starter
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Laughing Gas
Joined: Aug 2004
Posts: 1,138
Likes: 0
From: Yuba City, Ca
Possibly.... See the funny things is the truck ran and drove great when I tore it down 2 weeks ago. Only reason for HG is that when towing my backhoe (33k gcwr) it was building pressure when under severe load pulling a long grade or from a dead start at a light going up a hill. So it was more of a preventative thing rather than a must do. Truck has always been well within parameters during starting and towing and daily use. Ficm was rebuilt and added an atlas 40 about 1 year ago and its always been a good truck other than being classified as a lemon at 50k by original owner. Truck now has 214960 on the clock and has had minimal work since 65k on the odo.