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Old 03-14-2011, 02:41 PM   #11
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Re: 99 Honda Civic MPG

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Originally Posted by theholycow View Post
Sounds about right to me.

Hondas seem more sensitive to additional weight than other cars, based on past reports from users on this site.

The new tires aren't helping either. Worn tires are better for fuel economy; they have less rolling resistance.
Holycow is right. In my 6 Hondas, I've found them all to be pretty sensitive to weight. I could get up to 36 mpg in my '99 Si, but I averaged cliser to 32. With a carload, I was getting around 27-28.
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Old 03-15-2011, 12:34 AM   #12
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Re: 99 Honda Civic MPG

replace the PCV valve, give the car a tuneup.. 31mpg seems kind of low. I can guarantee that the PCV valve is clogged with gunk and has never been changed. If you give the car a good thorough tuneup, including adjusting valve lash, I don't see why your fuel economy won't go up.

Going by the fuel economy numbers of the freestyle and a Civic EX manual, fuel economy should be about 29% better in the civic than the freestyle, so you should have gotten around 36mpg assuming everything else is the same. Like I said, car needs a tuneup. Problem with me saying that, is that a tune-up means different things to different people which is annoying because a tune-up shouldn't just be plugs and wires like some folks think.
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Old 03-15-2011, 07:53 AM   #13
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Re: 99 Honda Civic MPG

Quote:
Originally Posted by theholycow View Post
Sounds about right to me.

Hondas seem more sensitive to additional weight than other cars, based on past reports from users on this site.

The new tires aren't helping either. Worn tires are better for fuel economy; they have less rolling resistance.
I'll make sure to do some burnouts to wear down the rubber.
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