Starts then Dies, HELP
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Starts then Dies, HELP
HI All and thanks ahead of time. My 2007 6.0 has 122k miles so far so good. Last week after driving home on a long trip we made a brief stop at a fruit stand and when I tried to start again it would start, then stutter and die. same thing many times start and immidiatly die. 
seemed like fuel problem had it towed home. changed upper and lower fuel filters. It started right up. Wife gets in next day. starts right up. She drives it to do some errands. after running around town a bit, same thing starts then dies. I need to mention its been over 100 degrees here. towed home again. Checked for codes no codes have been thrown. get in next day starts right up. starts after coming home from work. Take it for some running today, It is still around 100. After stopping at several places it starts doing the same thing. starts shudders and dies. i checked fuel pump connections banged on pump.NO go. I then went to check to see if there is fuel in upper bowl,full, put cap back on. Starts right up! Drive home. try at home, starts dies.
. Take the cap open on fuel bowl. Starts right up! What the heck is going on??? Any ideas???
seemed like fuel problem had it towed home. changed upper and lower fuel filters. It started right up. Wife gets in next day. starts right up. She drives it to do some errands. after running around town a bit, same thing starts then dies. I need to mention its been over 100 degrees here. towed home again. Checked for codes no codes have been thrown. get in next day starts right up. starts after coming home from work. Take it for some running today, It is still around 100. After stopping at several places it starts doing the same thing. starts shudders and dies. i checked fuel pump connections banged on pump.NO go. I then went to check to see if there is fuel in upper bowl,full, put cap back on. Starts right up! Drive home. try at home, starts dies.. Take the cap open on fuel bowl. Starts right up! What the heck is going on??? Any ideas???
Lead Driver
Joined: May 2014
Posts: 6,545
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From: Virginia Beach VA
Can you provides some live data info.... needs 500+ psi to start. Need ICP while cranking and at idle if possible. IPR % would be good as well.
Sounds like a HPO internal leak. STC fitting probably, could also be dummy plugs and stand pipe. When the oil heats, the leak is worse, cool oil is thicker and is easier to build pressure with. Why it sits for a bit and then starts and runs a little bit.
Listen for the fuel pump to run, about 20 seconds. Check the oil filter and cap, should be OEM.
Sounds like a HPO internal leak. STC fitting probably, could also be dummy plugs and stand pipe. When the oil heats, the leak is worse, cool oil is thicker and is easier to build pressure with. Why it sits for a bit and then starts and runs a little bit.
Listen for the fuel pump to run, about 20 seconds. Check the oil filter and cap, should be OEM.
Hotshot
Joined: Apr 2010
Posts: 19,061
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From: Saratoga Springs,UT
When it won't start do you hear the fuel filter on the frame running
If not give it a lovetAp with a rubber mallet
Does it run but not fill upper fuel house
Does LPO OIL Gauge register long crank
Can you hear inject buzz at KOEO
There's a few things you could check old school
Mark had a thread on it tech folder
Your going to need a gauge to see what you lost
If not give it a lovetAp with a rubber mallet
Does it run but not fill upper fuel house
Does LPO OIL Gauge register long crank
Can you hear inject buzz at KOEO
There's a few things you could check old school
Mark had a thread on it tech folder
Your going to need a gauge to see what you lost
Posting Guru
Joined: Dec 2012
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From: SW Ohio
Sounds exactly like one of the issues I had. By any chance did you hear a vacuum noise when you popped the upper filter loose? I did when I popped the upper filter housing. There was a 1/4" of fuel in it. The pump did not come on at that time. I beat on it and it started running.
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Thanks for replies
Thanks all! I did get a chance to do some minor checking. I can hear fuel pump and Upper fuel bowl appears full. I went away for the weekend but now I can check ficm voltages. Excuse my ignorance but I am not sure what the acronims are
ICP=Injector control Pump?
IPR= Injector pump regulator?
HPO=High Pressure oil?
STC=?:
ICP=Injector control Pump?
IPR= Injector pump regulator?
HPO=High Pressure oil?
STC=?:
Lead Driver
Joined: Feb 2011
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From: L.A. (Lower Alabama)
ICP should really have a S on the end (but it don't) Injection Control Pressure Sensor.
IPR and HPO you got right.
STC is Snap To Connect. Commonly referred to on the 2005 and newer trucks because they often fail. It's the fitting that goes on the output of the High Pressure Oil Pump (HPOP).
IPR and HPO you got right.
STC is Snap To Connect. Commonly referred to on the 2005 and newer trucks because they often fail. It's the fitting that goes on the output of the High Pressure Oil Pump (HPOP).
Last edited by Rusty Axlerod; Jul 7, 2015 at 04:55 AM. Reason: Corrected year
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Thanks Rusty
Thanks for letting me know what that stuff means. Now all I have to do is find them. LOL. I checked ficm voltage tonight and I think that is fine (at least now)
I have 48 + volts key on engine off and 48.66 volts while running. Again after sitting all weekend it started right up. Uggh. Thanks again all for your help!!!
I have 48 + volts key on engine off and 48.66 volts while running. Again after sitting all weekend it started right up. Uggh. Thanks again all for your help!!!
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Lead Driver
Joined: Feb 2011
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From: L.A. (Lower Alabama)
Here is a link to the list of acronyms. There are a bunch. https://www.ford-trucks.com/forums/821641-acronyms.html
Here's a link to the coffee table book., it's in the Tech folder along with a bunch of other good info. Great way to get familiar with this engine. http://www.backglass.org/duncan/ps60_manual/
Here's a link to the coffee table book., it's in the Tech folder along with a bunch of other good info. Great way to get familiar with this engine. http://www.backglass.org/duncan/ps60_manual/
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Thanks again Rusty
Rusty, the links you provided are an amazing resource thank you so much!
I now understand how the fuel and high pressure oil systems work together.
Anybody that does any of their own work on a 6.0 should look at these links.Thanks also to who uploaded them originally!
I now understand how the fuel and high pressure oil systems work together.
Anybody that does any of their own work on a 6.0 should look at these links.Thanks also to who uploaded them originally!
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