Engine shut down
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Freshman User
Joined: Nov 2012
Posts: 31
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Engine shut down
Yesterday while driving to work my 06 6.0L shut down at 55 mph
No warning lights nothing. Towed to dealer and they aren't sure why it didn't go into limp mode.
Anybody have ideas? Dealer will diagnos next Monday but I'm very curious.
It was just lucky I was on a back country road when this happened. Lost all power steering, brakes etc
No warning lights nothing. Towed to dealer and they aren't sure why it didn't go into limp mode.
Anybody have ideas? Dealer will diagnos next Monday but I'm very curious.
It was just lucky I was on a back country road when this happened. Lost all power steering, brakes etc
Logistics Pro
Joined: Dec 2004
Posts: 4,138
Likes: 7
From: South Weber, Utah
Yesterday while driving to work my 06 6.0L shut down at 55 mph
No warning lights nothing. Towed to dealer and they aren't sure why it didn't go into limp mode.
Anybody have ideas? Dealer will diagnos next Monday but I'm very curious.
It was just lucky I was on a back country road when this happened. Lost all power steering, brakes etc
No warning lights nothing. Towed to dealer and they aren't sure why it didn't go into limp mode.
Anybody have ideas? Dealer will diagnos next Monday but I'm very curious.
It was just lucky I was on a back country road when this happened. Lost all power steering, brakes etc
Logistics Pro
Joined: Dec 2004
Posts: 4,138
Likes: 7
From: South Weber, Utah
The IPR is what controls the ICP pressure and the STC fitting connects the HPOP discharge to the HPO branch tube to distribute HPO to the HPO rail on each cylinder head, the bad thing about letting the STC fitting fail is it can crack the rear engine cover which requires either the engine or transmission to be removed to replace the rear engine cover.
Logistics Pro
Joined: Feb 2013
Posts: 4,073
Likes: 5
From: TX
Neither are expensive (unless as mentioned above rear cover is cracked) as long as the dealer doesn't try to sell you a new HPOP lol. Easiest way to confirm HPO leak is do an air test.
On another question--do our trucks even have a limp mode?
On another question--do our trucks even have a limp mode?
Logistics Pro
Joined: Feb 2013
Posts: 4,073
Likes: 5
From: TX
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Junior User
Joined: Jan 2009
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Funny, well not really, but I had the same thing happen today while at the light. for no reason the truck just turned off.
This is not the firs time it's happened and I am at a loss. The only difference here is unlike d450heavy, my truck started back up again and I was on my way to finish my errands. Mustang_309 pointed out it could be the IPR valve or/and the STC. in my case of being able to restart, could this be the IPR/STC valve or something electrical? FICM? d450heavy let us know what the dealer finds out, I am interested.
This is not the firs time it's happened and I am at a loss. The only difference here is unlike d450heavy, my truck started back up again and I was on my way to finish my errands. Mustang_309 pointed out it could be the IPR valve or/and the STC. in my case of being able to restart, could this be the IPR/STC valve or something electrical? FICM? d450heavy let us know what the dealer finds out, I am interested.
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Lead Driver
Joined: Sep 2012
Posts: 7,836
Likes: 96
From: Manteca,Ca
Did you pull any DTCs codes ?,the light don't have to be on to have a code stored, A Gauge will be Helpful Scan Gauge from Auto zone , you can get the Values for IPR, ICP, and post them up. Is the truck surging then stalling out or just dead petal? EGR come's to mind along with TPS .
Lead Driver
Joined: Sep 2012
Posts: 7,836
Likes: 96
From: Manteca,Ca
Funny, well not really, but I had the same thing happen today while at the light. for no reason the truck just turned off.
This is not the firs time it's happened and I am at a loss. The only difference here is unlike d450heavy, my truck started back up again and I was on my way to finish my errands. Mustang_309 pointed out it could be the IPR valve or/and the STC. in my case of being able to restart, could this be the IPR/STC valve or something electrical? FICM? d450heavy let us know what the dealer finds out, I am interested.
This is not the firs time it's happened and I am at a loss. The only difference here is unlike d450heavy, my truck started back up again and I was on my way to finish my errands. Mustang_309 pointed out it could be the IPR valve or/and the STC. in my case of being able to restart, could this be the IPR/STC valve or something electrical? FICM? d450heavy let us know what the dealer finds out, I am interested.
Junior User
Joined: Jan 2009
Posts: 56
Likes: 0
Did you pull any DTCs codes ?,the light don't have to be on to have a code stored, A Gauge will be Helpful Scan Gauge from Auto zone , you can get the Values for IPR, ICP, and post them up. Is the truck surging then stalling out or just dead petal? EGR come's to mind along with TPS .
I just got a scan gauge 2, as soon as I can program those hexadecimal codes in there I will post. What values am I looking for on IPR and ICP? There where no codes when I used the scan feature.
Junior User
Joined: Jan 2009
Posts: 56
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OK, got the Xgauges set up and here are the gauges that I read on a cold engine at idle.
FMP 48.0
ICP 889
IPR 14.81%
SYC 1
looks like the IPR is a little low?
Lead Driver
Joined: Sep 2012
Posts: 7,836
Likes: 96
From: Manteca,Ca
your ICP is compensating for IPR , IPR at idle should be 24% test again warm and see the Values
More Turbo
Joined: May 2015
Posts: 670
Likes: 13
From: Nampa, ID
my IPR reads about 28% on a cold idle and around 22-23% on hot idle. i just got a scanguage myself last week and am fairly new to the 6.0 as of a month ago. i'm still learning, but that IPR reading doesn't seem right. just my .02. icp, ficm and sync seem good though.