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Thread: Gas Mileage
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10-07-2007, 03:37 PM #1
Gas Mileage
Just wondering what you guys get for gas mileage...
I'm pretty sure i'm getting 14mpg... I used to get close to 21 or so... I took it to the shop a few weeks ago and they threw a new fuel filter in it but i'm getting worse mpg now. I checked the code on my car and it says it's running too lean...O2 sensors are fine.
Keep in mind I have a 2001 LS1... no mods yet. Seems like i'm getting crappy gas mileage...
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10-07-2007, 03:51 PM #2
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- Jul 2005
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- Jacksonville, FL
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Post any codes you're throwing - thinking if you're throwing any codes for being lean the PCM is adding fuel to try and compensate for it.
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10-07-2007, 04:02 PM #3
when I was stock I got nearly 20 mpg
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10-07-2007, 04:14 PM #4
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- Sep 2007
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- Denton, Texas soon Lafayette, Louisiana
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Blue- 2002 Z28 Camaro M6
Lately with AC running and all kinds of other bad things for gas mileage I have been hitting around 25-28 with almost all highway driving. In town I have not figured it out. I am still having to much fun with the car to get good MPG
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10-07-2007, 04:20 PM #5
Yea in town sucks, its just too much fun, usually ends up about around 20 but setting at 65 the best i have gotten is 35 but average about 31-32. I'm a M6 with some mods like headers, ORY, ported MAF, Volant CAI, and free mods.
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10-07-2007, 04:40 PM #6
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- Jacksonville, FL
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10-07-2007, 06:31 PM #7
- Join Date
- May 2007
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- Illinois
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- 87
red- 04 gto A/T
are the mileages u guys posting city or highway ?
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10-07-2007, 09:13 PM #8
Mine's a lot of city driving.... 10 miles to work and 10 miles back.
I just got new tires on it too, but they're the same size as the old ones....
I'll post the codes tomorrow if I get a chance
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10-07-2007, 11:55 PM #9
Wow, now that insane !!! 35mpg. The very best I've ever recorded was 29.5mpg. I think I may have broken 30mpg once or twice on really smooth and level highway at 67mph. I just can't drive 65mph.
I'm not calling BS ... but, that is amazing for a LS1.... However, in my defense I do have 3.73 gears in mine and if he has 3.42 that would make it so technically.
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10-08-2007, 11:24 AM #10
yea i still got the stock 3.42 gears, and i drive 45 miles of open flat concrete hiway one way every day for school. I usually set it about 75 but when i checked it i set it at 65 and just enjoyed the ride. Then its oly running around 13 14 hundred RPM. In town is horrible mostly cuz i play with it too much.
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10-08-2007, 12:22 PM #11
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- Sep 2007
- Location
- durham,nc
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- 28
just bought 99 TA has 31k no mods,
-city's about 21-23
-highway is on the high 20's but i dont drive it that hard
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10-08-2007, 03:14 PM #12
ive got an oxyegen sensor code thrown..anything i can do to help
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10-08-2007, 03:18 PM #13
- Join Date
- Aug 2005
- Location
- Thornton, CO
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- 23,773
Red Tint Jewelcoat- 2008 Trailblazer SS
When stock....
26 MPG around town (light on the pedal) and 31 MPG on the highway.
Cam, stock gears...
23 MPG around town and 27.5 MPG on the highway.
402 LSx with 4.11 gears...
14-15 MPG around town and 20 MPG on the highway.2008 Trailblazer SS
Yank PTB3600, Kooks 1 7/8" LT's, 4" intake, E-fans, Magnaflow, Sonnax kit, tranny cooler, tune.
Lowered, HID's, tinted.
1999 Pontiac Trans Am WS.6 #1747 SOLD
531.1 RWHP 481.3 FT/Pounds all motor.
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