'05 6.0 wont start at running temp?
Hey guys. I've been on here a few times in the past thanks to my 6.0 f250. LOL. You guys have been right on with my past problems so here's one more with probably more to come as long as I own this heap! My truck will only start when the motor is cold. It cranks right up with no problems when cold. But once its warmed up it will not crank until its cold again. It's not running hot nor us a service engine light on. It runs fine once cranked. I've got it to crank a couple times before its cooled all the way off but it takes ten or more straight seconds of holding the key turned and pumping the gas before it will start. I've in the last 6 months replaced the ficm and high pressure oil pump. Could it be one of those? I am a broke deisel idiot so any help is great!
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Your sysmtoms point to a HPO Leak
Hard crank when hot usually means Standpipes or dummey plugs leaking Now Did you install a New STC Fitting on the back of the HPOP when you changed it??????????? |
Originally Posted by BLADE35
(Post 11679238)
Your sysmtoms point to a HPO Leak
Hard crank when hot usually means Standpipes or dummey plugs leaking Now Did you install a New STC Fitting on the back of the HPOP when you changed it??????????? |
To confirm a BAD HPO system you will have to monitor ICP and IPR%
any gauges??? Anycodes?? oreilys or autozone will scan for free |
Originally Posted by BLADE35
(Post 11679266)
To confirm a BAD HPO system you will have to monitor ICP and IPR%
any gauges??? Anycodes?? oreilys or autozone will scan for free |
Next time it won't start hot, try unplugging the icp connector. Just a test to see if the sensor could be messing up when warm.
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A "Dummy Plug" leak is likely unless you had them replaced with the previous work (also Ford came out w/ updated standpipes as well as updated dummy plugs).
I agree w/ Benny - a scantool would be quite useful (and the scangaugeII is around $150). |
Originally Posted by bismic
(Post 11680544)
A "Dummy Plug" leak is likely unless you had them replaced with the previous work (also Ford came out w/ updated standpipes as well as updated dummy plugs).
I agree w/ Benny - a scantool would be quite useful (and the scangaugeII is around $150). |
Originally Posted by 69cj
(Post 11679793)
Next time it won't start hot, try unplugging the icp connector. Just a test to see if the sensor could be messing up when warm.
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your ICP sensor is in the passenger side valve cover the sensor poking out right behind the alternator kinda when it wont start unplug it and try again Like CJ says if you unplug and it does start the ICP is Bad and if it still wont start ICP not the problem and its going to be DEEPER
I am thinking with you symptoms the ICP is GOOD and Dummey pluga are gone out but def try the unplug thing with the ICP gauges would point in right direction Can you do the work I mean you work construction so you are mechanicaly inclined I shure we can get you threw it Now with that said being 05 to get on top of it and resolve the hot start issue that they have you need top repklace STC and Dummey Plugs and standpipes. Dont get me wrong Im not saying you need all that right now but sooner or later it will if you havent updated them B4 |
look right here this is a commonm spot for a fuel leak since you smell diesel fuel in cab
https://www.ford-trucks.com/forums/p...ictureid=75606 |
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