10-30-2007, 03:22 AM
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#1
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Registered User
Join Date: Jul 2006
Location: Virginia
Posts: 916
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"I'm averaging between 9-10L/100km (24-26mpg) for highway/city driving. Using 6th gear on the highway helps improve the mileage. When just highway driving, I can get 29-30mpg."
Wow, thats impressive mileage for a 01 "S", what speed do you do your highway driving? I just went through a tank of gas at a constant 78mph and only got 28mpg with my base 2000.
Ed
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2000 2.7L Boxster 102K; TTP intake, headers, high-flow cats; Dansk high-flow muffler; Autothority ECU chip; TechnoTorque 2; Bilstein coilovers; Racing Dynamics strut brace; stress-bar suspension kit; Aasco lightweight flywheel, B&M short shiftkit; 18" wheels; spare tire delete; OEM GT3 seats; JL audio speakers and subwoofer; Alpine PDX-5/PDX-2 amps; Kenwood DNX8120 CD/DVD/Nav; litronics, deambered
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10-30-2007, 03:59 AM
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#2
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Registered User
Join Date: Sep 2007
Location: Mandeville, LA
Posts: 167
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When I filled up (93 octane) yesterday, full tank --- 02 S --- it immediately said "260 miles" left on my trip OBC. Is that right? I thought I heard people getting 300-400 miles?
All service has been done religiously on this car and it is in excellent shape. I brought it in and had every single thing fixed on it. (including cleaning radiators, lower loose front spoilers, cracked radiator air intake ducts, loose wiring, anything that remotely needed to be made perfect) - I don't know what else could be contributing to the low MPG rating. Plugs were changed 8k ago, filter was changed 500 miles ago, everything seems ok. Is this normal range for a 3.2L?
Thanks.
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10-30-2007, 04:25 AM
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#3
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Registered User
Join Date: Mar 2005
Location: South Carolina
Posts: 530
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Quote:
Originally Posted by meerzee
When I filled up (93 octane) yesterday, full tank --- 02 S --- it immediately said "260 miles" left on my trip OBC. Is that right? I thought I heard people getting 300-400 miles?
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The OBC is giving you its "best guess". Reset the trip odometer when you fill up, drive most of a tank out, then refill again at the same place and do the math to get your real gas mileage. Then you'll know if you have a problem or not.
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Jack
2000 Boxster S - gone -
2006 Audi A6 Quattro 3.2
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10-30-2007, 05:05 AM
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#4
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Registered User
Join Date: Jul 2007
Location: ri
Posts: 37
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I consistently get 22-24mpg on my '01 S. However, when I drive in an "exciting" manner I swear I can actually see the fuel gauge indicator drop.
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10-30-2007, 05:25 AM
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#5
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Registered User
Join Date: Sep 2007
Location: Mandeville, LA
Posts: 167
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Quote:
Originally Posted by JackG
The OBC is giving you its "best guess". Reset the trip odometer when you fill up, drive most of a tank out, then refill again at the same place and do the math to get your real gas mileage. Then you'll know if you have a problem or not.
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Good idea and common sense...(something I miss from time to time)
thanks.
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10-30-2007, 11:25 AM
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#6
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Registered User
Join Date: May 2007
Location: Puget Sound
Posts: 176
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Amen to checking it with a refill. On the highway, I get 26 - 29 mpg, but the first quarter of a tank the gauge drops like a buick pushed off a cliff. It was a little alarming to me till I figured out it was just the gauge. Dunno if that's typical of the Boxsters....
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- Jim
2000 Boxster S, Speed Yellow, Michelin AS/3 tires, 60,000 miles...
... and climbing.
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10-30-2007, 11:34 AM
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#7
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Registered User
Join Date: Mar 2005
Location: South Carolina
Posts: 530
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Quote:
Originally Posted by OldBlevins
Amen to checking it with a refill. On the highway, I get 26 - 29 mpg, but the first quarter of a tank the gauge drops like a buick pushed off a cliff. It was a little alarming to me till I figured out it was just the gauge. Dunno if that's typical of the Boxsters....
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Same with mine. It never quite hits the full mark, and it's down to 3/4 before you can say "New rear tires, please".
The trip from there to 1/4 is much slower.
__________________
Jack
2000 Boxster S - gone -
2006 Audi A6 Quattro 3.2
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10-30-2007, 12:15 PM
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#8
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Registered User
Join Date: Sep 2006
Location: Los Angeles
Posts: 373
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Bad MAF or O2 sensors could also lead to running richer and less efficiently. Just a thought...
-David
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1995 Silverado V8 - Green/ Tan (FOR SALE)
2000 Boxster S - Ocean Blue/ Graphite Grey
2002 GSXR750 - Blue/White
http://www.darkoven.com/sig.jpg
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10-30-2007, 03:22 PM
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#9
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Registered User
Join Date: Aug 2007
Location: New Jersey
Posts: 691
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[QUOTE=meerzee]Is that right? I thought I heard people getting 300-400 miles?
QUOTE]
I hit the trip reset at every fill-up. I got 318 miles last fill-up and 322 the time before. Both highway & city -- 22/23 mpg.
Maybe I could get near 400 miles if I didn't like the sound the box makes under open throttle so much...
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10-30-2007, 04:20 PM
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#10
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Guest
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Eomak, do you have an overly large and muscled right calf? Good flexibility in the Achilles tendon? You could be suffering from heavyrightfootitus. This will eat gas.
Last edited by bmussatti; 10-30-2007 at 04:57 PM.
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10-30-2007, 04:42 PM
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#11
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Guest
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Here is Randal Neighbor's calf. I snaped this at The Tail of the Dragon!:
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