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Old 12-01-2016, 03:13 PM   #1 (permalink)
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Default 46 MPG but only 400 mile range???

I just finished my first tank and my display says 46.7MPG but my tripmeter only has 420 miles on it....warning light on now. My commute is 75 miles on way mostly highway (45-65MPH) with some really slow spots. Don't really use AC but I do use radio and heater....Tires at spec. Any suggestions? I'm spoiled by my G1 mileage
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Old 12-01-2016, 03:38 PM   #2 (permalink)
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In comparison with my HCH2, the EPA estimates and the less-than-ideal commute conditions, it sounds like you're killing it. By "spec" tire pressure do you mean sidewall or recommended? I prefer about 38-40 provided the tire is rated for at least 44.

If you're auto-stop isn't working in the slow spots, dial back the heater use. In winter, I always had my heater set on 65.

10.6 gallon capacity. Fuel lights tend to come on with around 2 gallons remaining. 420/8.6 = 48.8mpg.

I don't see an issue here, particularly for a car that weights 1000# more than a G1.

Maybe fill up and let us know your computed mileage.
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Old 12-01-2016, 03:53 PM   #3 (permalink)
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Originally Posted by S Keith View Post
In comparison with my HCH2, the EPA estimates and the less-than-ideal commute conditions, it sounds like you're killing it. By "spec" tire pressure do you mean sidewall or recommended? I prefer about 38-40 provided the tire is rated for at least 44.

If you're auto-stop isn't working in the slow spots, dial back the heater use. In winter, I always had my heater set on 65.

10.6 gallon capacity. Fuel lights tend to come on with around 2 gallons remaining. 420/8.6 = 48.8mpg.

I don't see an issue here, particularly for a car that weights 1000# more than a G1.

Maybe fill up and let us know your computed mileage.
I'll report back with the calculated mileage. I ran my G1 CVT at 50psi. the G2 is at recommended 33PSI I believe....I got good at driving my G1...any tips on the G2?
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Old 12-01-2016, 04:04 PM   #4 (permalink)
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Get those pressures up. Pretty much anything that applies to the G1 applies to any other IMA.

The bigger motor moves more air and fuel. With extremely conservative mixed driving, I could squeeze 51-52mpg out of an HCH2 in perfect spring or autumn conditions. Summer and winter were never that high. Limit in-town accel to 2000 rpm, 3000rpm for on-ramps. Use the crap out of the cruise control. Look way ahead and minimize braking, etc., etc.
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Old 12-01-2016, 05:21 PM   #5 (permalink)
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"Momentum" and consistant throttle is your goal.


HTH
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Use: 438,000 mi. @ 58.2 LMPG.



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Old 12-01-2016, 07:42 PM   #6 (permalink)
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actually I just got in my car after school and I haven't even gotten to 400 miles yet
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Old 12-01-2016, 08:06 PM   #7 (permalink)
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Just filled up

396.7mi
9.129 gal pumped
43.34 mpg
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Old 12-01-2016, 08:14 PM   #8 (permalink)
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Looking good. In my experience mpg meters are accurate within 5% on average, so you're a bit off on that, but not by an outrageous amount.

58F isn't cold, but it's definitely below where I find cars the happiest in terms of mileage.

Again, for a car that weighs 1000# more than a G1 with what sounds like sub-optimal commute conditions, I think you're there (moar tire pressure though).
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Old 12-01-2016, 10:21 PM   #9 (permalink)
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It's usually mid to high 30s when I'm driving to work..... weird I got 53mpg after filling up....75mi home
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Old 12-02-2016, 12:56 AM   #10 (permalink)
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The dash readout is just a toy. It gives you some idea of how you are you doing, but it should not be considered accurate.
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