will not stay running when cold! - Ford Powerstroke Diesel Forum
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Old 10-12-2009, 10:22 AM
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will not stay running when cold!

I've owned this rig for 2 months now and this is the first issue I've run into.

some history on the it, previous owner had new headgaskets and ARP headstuds installed. New injectors, new glow plugs. Superchips Flashpaq (running in economy mode). Running fresh 15 w 40 Amsoil synthetic and Shell v-power diesel with cetine booster. Oh yeah, the mpg has been slowly dropping. I'm sitting at about 12 mpg now (lifted 8" with 37"s mind you)

when it gets to about 23 degrees, it will not stay running.
It starts but dies after 5 or 10 seconds. I have to glow 4 or 5 times before it will stay running and it runs terrible for about 3 or 4 minutes. Hit the accelorator and the engine will not respond at all. After it's warmed up a bit, it runs fine.

Here's what I've done to try to fix it;
new fuel filters.
check glow plug relay.
No cel or codes.
plugging in the block heater seems to help but it seems sort of ridiculous to need to plug it in at 20 degrees.


any other ideas as to what it could be?

It gets to -30 in winter and I need to have a reliable truck!


is this the classic ICP failure?
thanks for any help.

Last edited by steevil; 10-12-2009 at 11:11 AM.
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  #2  
Old 10-12-2009, 03:34 PM
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If you could have somebody read data on it while it's acting up you would be able to tell if your injection control pressure (ICP) is the cause. I've had a few 6.0s that would exhibit this because of blown injector O-rings.
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Old 10-14-2009, 09:54 PM
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Removed the performance tune on the superchip and the truck runs a lot better. My guess? Superchips dosen't make provision for the heat inductive pcm re-flash (which has been done on my rig).

I took out the tune to drop my truck off at the dealer to diagnose (only to be told there is a 2 week waiting list) and discovered it the next day that it seems to start okay now.
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Old 10-14-2009, 10:38 PM
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Send a message via AIM to 03f250stroke
keep that stupidchips off and see what happens

id put your name on the list and in 2 weeks if it isnt acting up just cancel
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