2004 - 2008 F-150
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what is PCM flash ?

Old Aug 19, 2004 | 06:29 AM
  #1  
kn127's Avatar
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From: texas
what is PCM flash ?

I am new to this PCM. What is it? What is the PCM Flash several of you write about? I have only 15 mpg and if this flashing will up that I would be more than happy to request it.
Does anyone have a book (fixit) for the 2004 F150?
 
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Old Aug 19, 2004 | 08:12 AM
  #2  
SilvrDrgn's Avatar
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From: Wauwatosa, WI, USA
The PCM is one of the main computer "brains" in a vehicle. Flashing it means upgrading its built-in code with a new version, usually to fix a problem. Here's a couple of links for you from the HowStuffWorks web site:

http://auto.howstuffworks.com/car-computer.htm
http://auto.howstuffworks.com/question113.htm
 
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Old Aug 19, 2004 | 10:55 AM
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mjninke's Avatar
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From: Saginaw
PCM

Guys: If you have seen problems, if your truck was built around 04/04 or later, you have the latest flash... It may have even came out a little earlier...
 
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