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Old 10-21-2016, 03:11 PM   #11 (permalink)
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Quote:
Originally Posted by elhigh View Post
I have an HCH1 as well, it's been delivering considerably above the EPA combined rating for me.

I think those people who brought lawsuits for it not meeting the expectations weren't trying at all.
After 2 fill-ups the average is about even with the EPA rating, but my wife has done most of the driving. I managed to get 60mpg on a 13 mile round trip, so I know the car is capable of doing much better than the rating. I'm not sure I'll ever be able to teach my wife how to beat it though (and not because I haven't tried).

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Old 10-22-2016, 06:32 PM   #12 (permalink)
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That 60 indicated is pretty good, but be advised that in my experience that gauge reads about 10% high.

I've noticed the deadness on center in the steering too. It's just another quirk of the car, like needing to lift up on a door when closing, or learning to disregard the blurriness of the rearview mirror.
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Old 10-22-2016, 06:36 PM   #13 (permalink)
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In mine, I've found the disparity between pump gallons + tachometer miles, and FCD is always less than 5%, and usually less than 2%.
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Old 10-23-2016, 08:34 PM   #14 (permalink)
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I noticed while doing some driving today that fan stays running for a long time after the car is turned off. It is only 59F out today. Is this normal? This seems like a poor use of the power stored up in my batteries.
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Old 10-24-2016, 01:51 AM   #15 (permalink)
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Happens every time with mine, it keeps running for 2 minutes regardless of the weather.
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Old 10-24-2016, 10:14 AM   #16 (permalink)
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Mine keeps running for a few minutes after shutting down. I never gave it a second thought; I've had other cars that did that too that weren't hybrids.
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Old 10-25-2016, 08:20 AM   #17 (permalink)
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Quote:
Originally Posted by Ecky View Post
Happens every time with mine, it keeps running for 2 minutes regardless of the weather.
The fan running seems to be based on the intake air temperature sensor reading at shutoff. I can't remember from the top of my head exactly how many degrees C that is.

You can make it stay off kludgily by shutting the car off, then fully restarting the car, then immediately shutting it off again, but I don't usually do that, because I assume the difference in behavior from the gas-only version of the same car must have something to do with heat soak in the extra electronics under the hood.
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Old 10-25-2016, 09:08 AM   #18 (permalink)
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The HCH is my wife's car, but she didn't need it yesterday. I was able to take the car to work to see what kind of mileage I could get on my commute. I was hoping to get close to 60MPG, but was a little disappointed that I only got 50.7 according to the cars computer. I'm sure if it had been warmer and not raining that would have helped. Some LRR tires would probably help too.

On my way home from work, there is a 6 mile stretch with a 45 MPH speed limit. On a good day I will get to drive for several miles on this road without anyone behind me. If there is no one behind me then I pulse and glide from 50-25 MPH with EOC. This seems to be a big improvement over driving steady state at 45 or 50, but this is in my Miata. In the Civic I wasn't sure what to do. I had the opportunity to pulse and glide yesterday, but I wasn't sure what the right technique was in a hybrid. My normal style involves accelerating from 25 to 50 at maybe 75% throttle, if I did this in the Civic and then shut the car off for my coast the IMA battery would be completely drained after a few miles. How should I approach a 45 MPH road for ideal mileage?

TL;DR How do I (or should I even) P & G in an HCH1?
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Old 10-25-2016, 09:11 AM   #19 (permalink)
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The Civic Hybrid has lean burn and tall gearing, so the gains from pulse and glide are much smaller. You can get nearly the same fuel economy just driving at the same average speed, which would probably be around 40mph.
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Old 11-01-2016, 10:18 AM   #20 (permalink)
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At 45mph steady, my HCH shows 60+ mpg on the readout. That's with three of us aboard; if I'm riding by myself it gets even better. Of course that readout is 10% optimistic but still - that's really good. For the small gains PNG offers as Ecky pointed out, and the very real possibility of screwing up a pulse and blowing all the gains out, I wouldn't bother.

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