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Gas Mileage on 2001 Jeep Wrangler

scott62scott62 Posts: 1
edited March 2014 in Jeep
Can anyone suggest any after market products to increase the gas mileage on my 2001 Jeep Wrangler? 6 cylinder automatic


  • adc100adc100 Posts: 1,521
    use minimal gas when accelerating. When approaching a stop, get off the gas earlier and use minimum amount of brakes. Also when you are driving try to have the vehicle "lock" the torque converter you will notice this by a several hundred rpm drop. The more you drive with the converter "locked up" the better your milage. You can increase your milage by 20% by practicing these techniques.
  • jeberjeber Posts: 91
    I agree with acd100; getting out of the driving habits most people practice, which is running flat out from stoplight to stopsign, then braking hard 50 ft before the stop, zooming up to traffic going slower than you, then braking hard... this is all incredibly inefficient for mpg., & its how most people drive.

    Just being more gentle in accelerating, anticipating red lights so you can let off the gas & coast a little (and even catch more lights green) can make a huge difference. And you can drive like this & still keep up with the flow of traffic.

    Driving habits like this get me about 20 - 23 mpg in my 95 pathfinder, mixed city/highway. Its only epa rated at about 18 or 19 ? mpg. I tell people this (including some here at T. Hall) and they often think "no way", but I keep accurate mpg totals, & it can be done!

    I don't really think there are cost-effective aftermarket accessories that can do much in this area...invent one & you'll be rich & famous!

    Also, my pathfinder's (also explorers, etc.), tires' sidewalls say, for example, 35 or 36 psi cold pressure, and your owner's manual will then say some nonsense like "26 psi". Go with the max/35!!! Some will argue, but in many years with trucks & SUV's, I've NEVER had any problems with traction, safety, tire wear...
  • adc100adc100 Posts: 1,521
    That there are at least two of us in this world who think alike!!! Most people realy don't care to get it.
  • acelinkacelink Posts: 106
    I remember reading an article from Road and Track (?) about a bunch of BMW engineers conducting a test to find out which acceleration rate yielded the best fuel efficiency. They found out that accelerating quickly with 3/4 of gas pedal pushed in was more efficient than accelerating for a longer period of time. What do you think?
  • adc100adc100 Posts: 1,521
    Nothing in any of those mags is made or tested for a normal person buying a normal vehicle. Very little in them down to earth, including that theory. Doesn't jive with reality or common sense.
  • jeeps are not known for fuel economy. That 4 liter engine is very strong and reliable, but it is a pig.
  • Mr_ShiftrightMr_Shiftright Sonoma, CaliforniaPosts: 58,469
    The Jeep 4.0 liter with automatic is a long-known gas hog. If you got 15 mpg, count your blessings. Maybe you could help things out a bit using synthetic oil and pumping up the tires to 3-4 lbs over factory recommendation. But if you climb some long hills in that Jeep, you are going to use a lot of fuel, or if you have a heavy foot, you'll pay for that at the pump.

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  • redkey1redkey1 Posts: 270
    Everyday, I take a route everyday from work that takes me up a road that goes uphill for about a mile (each way - 2 miles uphill per day). How bad is this for my gas mileage? I can take another road with a bit more traffic that is level but I am willing to take a bit longer if it will get me better milegare
  • dhanleydhanley Posts: 1,531
    That's a bit misleading. What they were testing was more along the lines of accelerating in 3rd gear with heavy throttle vs in second gear with less throttle. Using a higher gear and flooring it will save gas.

    I use a few gas saving techniques -- i cruise in a high gear, i let off the gas way before i have to stop, and often don't have to brake--etc.. And i get 24-25mpg 80% city in a 328 even though i drive pretty fast. It matters a lot. In stop & go traffic on the highway, i'm the guy who cruises at the same speed by averaging the overall speed of the stop & go in front of me.


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