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could cold weather cause worse mpg?

Discussion in 'General Automotive' started by outlaw7, Dec 20, 2010.

  1. Dec 20, 2010 at 8:40 PM
    #1
    outlaw7

    outlaw7 [OP] Well-Known Member

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    Brandon
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    My daily driver is a 91 Suzuki swift 1.3 2barrel 5 spd. I originally purchased about a year ago and my first fill up MPG was around 28. After changing plugs wires cap rotor fuel filter the MPG started to get better each fill up all the way to my best 45. But the last few tanks have dropped to around 38-39. My commute has not changed or my driving habits only change has been winter weather so back to my title, could the temp drop cause a drop in fuel mileage?
     
  2. Dec 20, 2010 at 8:42 PM
    #2
    luk8272

    luk8272 Poodoo

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    They put ethonol in our fuel and lowers the economy. The cold should benefit our economy unfortunately the government knows best.
     
  3. Dec 20, 2010 at 8:44 PM
    #3
    OZ-T

    OZ-T Quite an experience to live in fear , isn't it ?

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    Short answer is yes
     
  4. Dec 20, 2010 at 8:45 PM
    #4
    pudge151

    pudge151 Well-Known Member

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    yeah its the gas, always worse in the winter but keeps moisture from building in the tank

    also letting the car worm up for longer add up to quite a bit of used fuel
     
  5. Dec 20, 2010 at 8:47 PM
    #5
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    To add to the fuel being the issue, and longer warm ups, the colder air is more dense, thus running more fuel to keep the propper A/F ratio.....all these combine to give less MPG in the winter months.
     
  6. Dec 20, 2010 at 8:48 PM
    #6
    outlaw7

    outlaw7 [OP] Well-Known Member

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    Thanks for the quick reply guys.
     
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