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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 03-28-2011
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PCM

can someone please explain what this stands for and what it does and the relation to mpg?
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Old 03-28-2011
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Powertrain
Control
Module

controls your truck
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Old 03-28-2011
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i saw some where on here a few days ago someone was having problems with really bad mpg's and they took it to the dealer and they did a PCM update and it gave them better gas mileage dont know if its BS or not but it might be something to look into i am going to the next day i have off of work
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Old 03-28-2011
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sweet maybe u can update ur findings
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Old 03-28-2011
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Quote:
Originally Posted by my03ranger View Post
i saw some where on here a few days ago someone was having problems with really bad mpg's and they took it to the dealer and they did a PCM update and it gave them better gas mileage dont know if its BS or not but it might be something to look into i am going to the next day i have off of work
yea thats me. and yea youll get a little bit better mileage
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