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00 S80 T6 economy

  #1  
Old 12-04-2007, 11:55 PM
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Default 00 S80 T6 economy

i did the math, and with a reasonable balance between highway and street, it gave me a solid 16.7mpg.... Now its that i just got off driving a 10.5mpg SUV that this is nice to me, but for an engine with 2 less cylinders, and 1/2 the displacement, should i expect a bit more?

Perhaps its an unecessary thing, but the first thing i did was swap in a K&n replacement panel filter, other than that i have no idea. So the question is coming from it, are there any small mechanical things (spark plugs, checking stuff) to be done to possibly up this a bit?


its got about 87,000 miles, 2000 s80 T6... '


thanks...
 
  #2  
Old 12-05-2007, 06:36 AM
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Default RE: 00 S80 T6 economy

Give it a tune up, keep your foot out of it, and clean the mass air meter. I would probably return the K&N if it was me, those things are notorious for having excess oil on them that gets on the mass air meter and throws it out of whack.
 
  #3  
Old 12-05-2007, 08:46 AM
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Join Date: May 2007
Location: West Michigan
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Default RE: 00 S80 T6 economy

Agreed with all of the above (although I do sport a K&N as well).
Also air up your tires (35psi or better); anything less and you're losing out.
Have the alignment checked regularly.
Fuel system cleaner once in awhile.
See if switching octane or brands of gas helps.

I have been trying to squeeze out as much as I can out of gas for months now. I have seen a BIG drop due to temperature and the gas formulation. With my S60 I was consistently getting 31-32 in city mode. Now I strain to get 27-28. If you are in a region that experiences 'winter' then justunderstand that you might be getting 10-15% lower mileage than in summer weather. If you tend to warm up the car for a few minutes, get stuck at traffic lights, tend to speed up/slow down, or drive fast ... it all contributes.

Your car was EPA rated at 17/25/20 city/hwy/combined. They might be unrealistic numbers. BUT, if you are like me (getting 15+ percent below summer mileage) then your true mpg is closer to 1.17*16.7= 19.6 which isn't so bad.
 
  #4  
Old 12-05-2007, 08:48 AM
Join Date: May 2007
Posts: 13
Default RE: 00 S80 T6 economy

Yeah. I get about 16.7 MPG. I've cleaned TCM and such. Also put a cone filter in. You're not going to get amazing gasmileage out of it though due to the turbos and large sum of horsepower.
 
  #5  
Old 12-05-2007, 01:48 PM
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Join Date: Nov 2005
Location: Burlington, ma
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Default RE: 00 S80 T6 economy

if I try Hard enough, I can average 19.4 mpg in my 01 s80 t6, and thats 14 miles highway and like 7-8 miles back roads.

but I just havent been trying for it and and averaging a 16.1, lol I blame that to my Turbo addiction in the car lmao

on a trip to new york from boston, my car can do25 mpg, all highway....
 
  #6  
Old 12-05-2007, 05:35 PM
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Default RE: 00 S80 T6 economy

is the cone filter you put in shielded? if not you could just be sucking in heat...

By the way, i really dont see any record of the spark plugs being replaced in the last 60k mi... might that be a good idea?
 
  #7  
Old 12-05-2007, 09:35 PM
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Default RE: 00 S80 T6 economy

Right now I'm getting around 22 (15 miles highway, 60MPH+ 5 miles city, 45MPH) on my 99 S80 T6. Almost every other weekend I drive 140miles on highway, then I get 24.7 - 25.0 MPG at 70 -80 MPH.

I use fuel system cleaner every 2000 miles. Gas - Chevron Premium. The Volvo dealer suggested me to use Chevron, coz' he said he noticed that it is better for the engine than Shell. Don't know about other brands. So I blindly switched to Chevron.
 
  #8  
Old 12-06-2007, 09:34 AM
Join Date: May 2007
Posts: 13
Default RE: 00 S80 T6 economy

No, it's not shielded. Sorta - kinda. [:'(]
 
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