mileage problem.......rant
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mileage problem.......rant - 1/1/2008 3:03:12 PM
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aris_unlimited
Posts: 231
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Ok so I have been having this mileage problem and I can't figure it out at all. I keep hearing of people getting over 20mpg on the highway and I just can't manage it.
At 65 mph I can average 17-18 mpg highway. In town it is a pretty steady 13-14 mpg at 30-40 mph. I even tried driving 55 mph on the highway lately trying to get it up to 20 mpg or over with very little in town driving. I got 16 mpg!! And I know it's not a torque convertor issue because it stayed at a steady 1750 rpms the whole time I was on the highway.
I am at a stand still here. I cannot figure out why I can't get the better gas mileage.
Last tune-up was about 15-20k miles ago. Did cap, rotor, plugs, plug wires. I always change the oil on time and use 5W30 Mobil 1. I constantly adjust my tire pressure to where it is supposed to be.
The only other thing I can think of is maybe a fuel filter, but I can't see it making this big of a difference.
< Message edited by aris_unlimited -- 1/1/2008 3:06:39 PM >
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Cars: 2000 Chevy Blazer 4.3L 4WD LT, 2004 Nissan 350z 6speed.
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RE: mileage problem.......rant - 1/1/2008 3:08:23 PM
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drperry
Posts: 3924
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Fuel filter can make a difference, yep.
When was the last time you did a driveline fluid change?
Plus, it's colder out, that uses more fuel.
Try going 70MPH next time, if you can... I don't know what your speed limit is, lol
Before my bushguard, lights and tires, I got 24MPG @ 70 - 75MPH on the highway.
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RE: mileage problem.......rant - 1/1/2008 3:14:15 PM
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swartlkk
Posts: 15259
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From: Waterloo, NY
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Your mileage is the exact same as what I was getting with my '00 Bravada. And it was running in tip-top shape. My commute had quite a few stops as well as large hills. I didn't see anything wrong with that mileage and I don't see anything wrong with yours either. What you are getting is about average. There are always those anomalies that will make you wonder, but you have to look at what the manufacturers MPG rating is and go from there.
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Kyle-
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RE: mileage problem.......rant - 1/1/2008 3:18:30 PM
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drperry
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Could depend on the gearing you have too...
I've got 3.42's, and Kyle's Bravada had 3.73's, if I remember right.
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RE: mileage problem.......rant - 1/1/2008 3:30:52 PM
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swartlkk
Posts: 15259
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Mileage depends on SO many variables - mechanical (drivetrain - 4wd/2wd, gearing, tires - highway/AT/MT/compounds, and up keep of the vehicle), environmental (temperatures/snow/ice/rain/etc), terrain (stops/hills/traffic/etc), and then there is how it is driven. Every vehicle on the road is different.
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RE: mileage problem.......rant - 1/1/2008 3:35:04 PM
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drperry
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That is definitely true...
But for a somewhat ballpark style comparision... The basics should be able to help people figure out minor differences...
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RE: mileage problem.......rant - 1/1/2008 4:25:09 PM
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igot10pinitis
Posts: 470
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don't feel left out i get about the same. I see some people on here say they get 22 mpg on the highway and it makes me think what the hell is wrong with mine?
I have givin up on the fact that i could get good mpg out of it.
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RE: mileage problem.......rant - 1/1/2008 5:31:51 PM
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95blackblaze
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OK I have been waiting for this. I get 9 -11 mpg , in the city or the highway summer or winter. I do regular tune-ups, tires inflated etc .
95 W code 4.3 CMFI, auto, 4wd, 3.73 gear, 4 door.
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RE: mileage problem.......rant - 1/1/2008 5:55:08 PM
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willjones
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From: Wilmington, NC
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I just made a 750 mile trip and got 21mpg doing between 65 - 75. Thats also sitting in DC traffic for over an hour.
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RE: mileage problem.......rant - 1/1/2008 8:53:01 PM
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otnietdehoooo
The Chop Shop Moderator
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quote:
ORIGINAL: aris_unlimited
At 65 mph I can average 17-18 mpg highway. In town it is a pretty steady 13-14 mpg at 30-40 mph.
same here
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RE: mileage problem.......rant - 1/1/2008 10:20:38 PM
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andrewjs18
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I'm assuming that all-terrain tires affect the gas mileage in a negative way? God, do I hate the sound A/T tires make!
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RE: mileage problem.......rant - 1/1/2008 10:51:34 PM
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drperry
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Which tires are you running? My BFG's are pretty quiet... not all that far off of stock.
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RE: mileage problem.......rant - 1/1/2008 11:05:50 PM
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Chevy Lover
General Tech Moderator
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If you really need to feel better about your gas milage, I could tell you what I get! 
My super swampers are pretty noisy til they get warm, then they're not to bad as long as the tunes are cranked.
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RE: mileage problem.......rant - 1/2/2008 4:05:47 AM
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blazinloud
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I thought you would get better mpg in the winter since the air is ice cold 
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RE: mileage problem.......rant - 1/2/2008 5:42:33 AM
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EuroGoldLS
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From: Princeton, NC, USA
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Fuel is more dense when its cold, so you use more.
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RE: mileage problem.......rant - 1/2/2008 1:48:47 PM
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drperry
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And there's more oxygen in cold air, too, so the computer dumps in more fuel.
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