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4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 02-07-2011
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Bad Gas Mileage

Took a trip to the dealer today to see whats up with my horrible gas issues. Avg 9-11mpg. the tech installed a new PCM update and re synced the cam and crank sensors. IDK if it actually solved the issue i am still waiting for it. i was just letting other know that there is an update for the PCM.

UPDATE
Intake Mani gaskets are leaking so i'll be doing them myself this weekend.

Last edited by 04RangerDave; 02-07-2011 at 02:27 PM.
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Old 02-13-2011
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did you get better gas mileage
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Old 02-14-2011
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any Luck with this im having the same problem on the same truck?
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Old 02-14-2011
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Originally Posted by adamlovell72 View Post
any Luck with this im having the same problem on the same truck?
Yes. the first few tanks were horrible. Ford said the low fuel light must light up and the PCM must read full a total of 4 times. (my wallet is screaming) i am now around 18 city/ 22 highway
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Old 02-14-2011
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So if I call the dealer and just asked them about a PCM update theyll understand what i mean? Im sorry, i dont actually know what the PCM is, something with the computer module?
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Old 02-14-2011
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Originally Posted by adamlovell72 View Post
So if I call the dealer and just asked them about a PCM update theyll understand what i mean? Im sorry, i dont actually know what the PCM is, something with the computer module?
Ya mine did it.the PCM is the Powertrain Control Module.
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Old 02-19-2011
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Kirk, how much did that run you at the dealership?
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Old 02-27-2011
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I too would like to know how much the new flash was.
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Old 03-24-2011
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what years did this update affect?
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Old 03-24-2011
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what years did this update affect?
01+
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Old 03-24-2011
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SOB! hahaha i was getting 13MPG and thought i was on crack... wish i knew this before I sold her.
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Old 03-25-2011
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i went to ford today and asked and they told me it would be $85 for the pcm flash
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Old 03-25-2011
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hmm i wonder what the deal with this "flash" is? I already get about 18/21mpg.
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Old 03-25-2011
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the truck ran alot better after now its a lil bit better with the xcal3 all depends on how my foot feels
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