S2000 Under The Hood S2000 Technical and Mechanical discussions.

Something's wrong here! MPG in 04!

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Old 04-22-2004, 02:28 PM
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Besides the last few bars going quickly, I also notice it comes off full quickly. One thing that aggravates me is the filler neck trips the gas pumps off too soon. I'm always able to get $0.50-1.00 more gas in the tank after it clicks off. If I don't, the gauge reads one bar off full in a matter of miles.

I usually get about 11 gallons in the tank when I fill up. I go around 250 miles per tank. That's almost 23mpg which is not bad for mixed driving with frequent visits to VTEC land.

What you have to consider is the risk of "sloshing". I'm sure this tank is baffled, but once you get down to 1.0-1.5 gallons in the tank, you can run the risk of cavitating the pump if you're doing excessive g's.

Kris
Old 04-22-2004, 03:11 PM
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Last fillup for me, 245 mi., filled up 11 gallons. Roughly 22-23 mpg. This with close to 5k mi. on the odometer. Redline everyday before and after work!
Old 04-22-2004, 03:35 PM
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This is the first two tanks of gas in the car...
tank 1 = 242 miles, refilled with 10.01 gals
tank 2 = 228 miles, refilled with 9.25 gals
Drives have been mostly highway, maxing out at 6K RPMs (but running 5-6K RPMs alot when I can)

-Justin
Old 04-22-2004, 03:50 PM
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02's do the same thing. My car has never run out of gas and i fill up between 210 and 230. it has never taken more than 10 gals. i think they call it a reserve...lol



Mitch
Old 04-22-2004, 04:10 PM
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Do a search about topping off the s2000 at the gas pump. It has been discussed a fair amount and the concensus is

Don't......


it has something to do with throwing an ECU error. vs. CEL
Old 04-22-2004, 05:06 PM
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When I fill her up it is normally about 10 galllons, however I am luckly if I got 200 miles out of those 10 gallons --- normally 180 or so. I gues I get out of control at times


Regards,
Jonathan
Old 04-22-2004, 05:35 PM
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[QUOTE]Originally posted by PilotKD
Besides the last few bars going quickly, I also notice it comes off full quickly.
Old 04-22-2004, 05:58 PM
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I hit 21mpg on my first tank.. will be very happy if it stays the same after break in and VTEC
Old 04-23-2004, 12:32 AM
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yah, the stupid gas gauge is completely gone at about 10 gallons. pretty dumb. don't worry about it, all the 04s do that.
Old 04-23-2004, 01:18 AM
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17.57 mpg


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