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cold starting issues

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Old Jan 22, 2008 | 08:23 PM
  #1  
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cold starting issues

Hey guys, Its been really cold the last couple of days and when i went to start my truck the other day it just "tried to start". After trying for a couple of times I pumped the gas pedal and it did turn over and run. However when i took my foot off the gas pedal it immidiatly died. It did this twice! The third time i left my foot on the gas and revved it for about 20 seconds and then i could feel the computer kick in and give it enough gas to idle. Just wondering if this is common with the v-10. Since it is fuel injected Ive always heard you dont pump the pedal but thats the only way this one will start. And only when its below zero outside and not plugged in! Any tips or solutions would be great, thanks in advance
 
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Old Jan 22, 2008 | 10:28 PM
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I am having the exact same cold start issues you describe.
I hope it is something simple like a cold start valve?
Some one please help.
George
 
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Old Jan 23, 2008 | 12:09 AM
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I am new to the V-10 but I would be looking at the idle air bypass valve for being stuck. A thorough cleaning should do the trick.

Kurt
 
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Old Jan 23, 2008 | 12:21 AM
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Kurt, where is the idle air bypass mounted on the engine?
I have a 1999 if that makes any difference.
How do you clean it? Do you take it out or just spray carb cleaner in it?
Thanks,
George
 
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Old Jan 23, 2008 | 01:37 PM
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George, I looked in my chilton and it looks like its the Idle Air Control Valve (IAC) and it appears to be on the back of the throttle body with a couple of bolts holding it on and a hose coming out of it. And i would guess you would just clean it with carb and choke cleaner? Anybody with any experience please chime in!!
 
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Old Jan 23, 2008 | 01:47 PM
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If your gonna try to clean it, I was told to use Throttle body cleaner.
 
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Old Jan 23, 2008 | 09:03 PM
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Thanks a lot. I will give it a try this weekend and report back.
George
 
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Old Jan 24, 2008 | 02:09 AM
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I have always just used spray on "Gunk" carb cleaner and elbow grease, nothing abrasive. Don't forget to replace the gasket.

Kurt
 
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Old Jan 24, 2008 | 04:46 AM
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That is a dead on discription for bad IAC valve.
 
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Old Jan 24, 2008 | 09:30 AM
  #10  
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How much are new valves? Should I just put a new one in?
Since this valve failed once is it more likely to fail again?
George
 
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Old Jan 24, 2008 | 10:50 AM
  #11  
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The valves cost from $45 to $65 depending on your location.

Since you have a '99 model, I'd replace it. My opinion.

If it's worn, then yes, it will fail again.
 
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Old Jan 24, 2008 | 10:36 PM
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Have not seen one yet that was actually worn out! I have cleaned and reinstalled Ford valves with perfect function up to 360,000 KM's so far.Kurt
 
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Old Jan 24, 2008 | 11:06 PM
  #13  
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Sounds like they have you pointed in the right direction with the IAC. So...just to help out...here is a link to my gallery with step-by-step instructions on removal and install with pics.
https://www.ford-trucks.com/user_gal...&albumid=22274





Hope this helps...


biz
 
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Old Jan 24, 2008 | 11:44 PM
  #14  
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Biz4two,
Thanks for the instructions. The people on this site are GREAT. I will get the valve and install it this weekend and report back.
George
 
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Old Jan 25, 2008 | 12:34 AM
  #15  
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Thanks Biz!!!
 
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