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  #1  
Old 10-15-2012, 01:22 PM
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NEED HELP!!!

I have been having this issue for about 3 or 4 weeks now. It has intermittent no hot starts. I have the updated stc fitting, new dummy plugs, new stand pipe, new FICM, both batteries are good, icp pressure is good while trying to crank. unplugged the icp sensor last time it happened and it still wouldnt crank. Iam lost on what else it could be. Also, i have had the hpop tested twice for leaks and nothing showed up and its not throwing any codes

And its a 06 f250, 78k miles on it

Can anybody help me out? its very frustrating
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Old 10-15-2012, 05:32 PM
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Anybody at all know what it possibly could be??
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Old 10-17-2012, 06:38 AM
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Quote:
Originally Posted by rswhitcomb View Post
I have been having this issue for about 3 or 4 weeks now. It has intermittent no hot starts. I have the updated stc fitting, new dummy plugs, new stand pipe, new FICM, both batteries are good, icp pressure is good while trying to crank. unplugged the icp sensor last time it happened and it still wouldnt crank. Iam lost on what else it could be. Also, i have had the hpop tested twice for leaks and nothing showed up and its not throwing any codes

And its a 06 f250, 78k miles on it

Can anybody help me out? its very frustrating
It is cranking right? You said it still wouldn't crank when u unplugged the icp


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Old 10-17-2012, 06:54 AM
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Yes it is still cranking but wont actually start. Its weird, somedays i will turn the truck off and then when i come back out it wont start, i have to let it sit for a little longer then it will fire right up, then later that day i will be running it for awhile and then turn it off and when i go back to crank it up it starts right away. i cant figure it out
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Old 10-17-2012, 07:16 AM
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What do u have for monitoring ? Does anything look odd while its running warmed up?

Also is the starter turning the motor fast enough? This happened to me on a Chevy gasser a few years ago


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Old 10-17-2012, 07:34 AM
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i have a edge cts for monitering it. Everything looks good on my guage. icp pressure goes to 800 while trying to crank, icp volts are good, ficm is a 49.5 volts while cranking, batteries are both good and i just had them load tested and they were good.

It is cranking fast, the same speed it always has. In the morning it cranks up right away. Take about 1.5 seconds. its just a hit and miss thing but it does it everyweek for a day or two then it stops doing it.

could it be a bad cam or crank sensor?
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Old 10-22-2012, 05:07 AM
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Figure it out yet? If it were the cam or crank sensor I don't think it would run at all


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Old 10-22-2012, 05:21 AM
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Could be something as simple as a bad key switch not telling it to "run", sometimes mine acts screwy, the truck will run but the radio and windows don't work. If I restart or move the key switch it fixes it.

The weirdest thing my truck does, is sometimes if I open the vanity mirror in the sun visor the radio will shut off! Lol I still havnt figured that one out.
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Old 10-22-2012, 09:43 AM
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no we cant figure it out. in the last 3 weeks it has been in the shop for 11 days. dropped it off last wed and picked it up on sat. they couldnt get it to act up at all and they checked all my wiring harnesses and everything looked good. The day i get it back that night it does it again and wont start. The only thing that came up weird on the computer was that the cam sensor wasnt getting a good signal. So he checked all the wires and nothing looked bad. So we are lost and have no clue what to do. its getting very frustrating.

any help would be greatly appreciated!!!
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Old 10-22-2012, 09:46 AM
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i am thinking about running over to the dealership and let them check and see if my ecm needs any updates. i know i have never had any updates done to the computer. And i think ford had a update for the no start condition so maybe thats it. Who knows
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