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Very bad mpg

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Old Nov 28, 2017 | 07:56 AM
  #51  
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CS Major, huh
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Old Nov 28, 2017 | 09:39 AM
  #52  
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Filled it up with this many amount of bars on my dash. It was 10.6 gallons so roughly I am getting about 18 mpg. The top half of the tank I drove in the highway. The remaining half I drove around the suburbs. Please let me know what else you guys need to know.
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Old Nov 28, 2017 | 09:51 AM
  #53  
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Originally Posted by TsukubaCody
I have a useless liberal arts degree.

Yet I still have the common sense to have actual numbers when asking about bad MPG.

Until you tell us the fuel economy you're getting, none of this matters. Your driving style, the roads you drive, the weather all play into this as well. It is winter, you're likely getting crap winter mix gas, which is worse for economy. If its cold, your tire's pressures may be down, etc.

Your CS major may result in a nice piece of paper but you can't buy critical thinking skills.
tire pressure was increased to 32 psi before I did a fill up and kept track of the mpg. Average outside temperature is around 40-50 degrees Fahrenheit. I did hit vtec from time to time. I normally shift at 3.5k.
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Old Nov 28, 2017 | 09:56 AM
  #54  
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Track your miles with an mpg app like Fuelly. After a few months you will be able to see the trend of your mpg's depending on driving conditions etc... a picture of your fuel meter is not going to net anything. "These many bars" means nothing.

"Highway" miles can mean lots of different things. Inner city highways with a lot of slowing down, speeding up, overtaking etc is very different to country highways where your cruise is set for an hour or two at a time.
Inner city highway driving will obviously not get you as high MPG's as cross country type highway driving.
If you're getting 18mpg's mixed city streets and inner city highways you are doing just fine. I'm sure there's nothing wrong with your car. If you still think there is then take it in to a shop and have a professional look at it. There's only so much internet forums can do for you.
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Old Nov 28, 2017 | 09:58 AM
  #55  
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If I get over 20mpg I feel like I'm doing it wrong.. just saying.
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Old Nov 28, 2017 | 09:58 AM
  #56  
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Run a tank of injector cleaner if you want - I think the best stuff is this BG 44k Fuel System Cleaner. It's hard to find in stores but you can buy it on Amazon here.
Amazon Amazon

I run a couple tank fulls each season.
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Old Nov 28, 2017 | 10:00 AM
  #57  
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Originally Posted by bhk1004
If I get over 20mpg I feel like I'm doing it wrong.. just saying.
Agreed. I only track mpg's as a measure of engine health. I don't drive to try and get highest mpg's by any means.
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Old Nov 28, 2017 | 10:05 AM
  #58  
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I’m just worried because I started getting low mpg all of a sudden so I figured maybe it’s cause of the cold weather or something I’m overlooking.
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Old Nov 28, 2017 | 10:16 AM
  #59  
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Originally Posted by Nibreezy


Filled it up with this many amount of bars on my dash. It was 10.6 gallons so roughly I am getting about 18 mpg. The top half of the tank I drove in the highway. The remaining half I drove around the suburbs. Please let me know what else you guys need to know.
Temp gauge looks like the engine is completely cold. How long had you been driving before stopping at the gas station?

FYI, normal driving for me (mix of street and highway) is in the mid 20s. That drops some if I'm regularly hitting VTEC. Long highway trips can break into the 30s. The only time I see below 20mpg is at the track when it's 9-10.

If you do a lot of short trips in cold weather so that the engine constantly has to warm up, then you should expect to see reduced mileage. But 18 seems rather low for normal driving.
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Old Nov 28, 2017 | 10:28 AM
  #60  
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Originally Posted by DanielB
Temp gauge looks like the engine is completely cold. How long had you been driving before stopping at the gas station?

FYI, normal driving for me (mix of street and highway) is in the mid 20s. That drops some if I'm regularly hitting VTEC. Long highway trips can break into the 30s. The only time I see below 20mpg is at the track when it's 9-10.

If you do a lot of short trips in cold weather so that the engine constantly has to warm up, then you should expect to see reduced mileage. But 18 seems rather low for normal driving.
This pic was taken at home(couples hours after I stopped driving). I realized I forgot to take a pic of the tach. I filled up the following day.
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