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Stock JK Tech Bulletin board forum regarding issues with OE (original equipment) components of the Jeep JK Wrangler (Rubicon, Sahara, Unlimited and X) such as factory suspension parts, engine, transmission, body parts, interior fixtures and the on-board computer.

sudden loss of RPM

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Old Nov 21, 2007 | 05:09 AM
  #11  
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Originally Posted by FJ80fornow
I tried this tonight as well and most of this is around the 30-35 mph range, although it happens both when OD is engaged and disengaged. What is weird is that when I am going up a slight incline and have my foot in the throttle at about 50-75%, it sometimes drops rpm's and gives me that lugging feeling.

Whether it is normal or not, it is pretty annoying. I am hoping that the new gears will keep me in the higher rpm range and help minimize the lugging effects. Either way, I appreciate all of your correspondence.
Gears may help a little... shift points are shift points... so it just means it's going to do what its currently doing but at a slightly lower speed. Which... in the end may be what you need. Mine seems to be much better than it use to... may have some to do w/the gears and maybe some to do w/the computer learning my driving style. When mine drops down and feels like it is lugging, I just put a little more pressure on the pedal (not much), leave it for a couple seconds and it shifts back to where I need it... I think before, I really had to put my foot in it quite a bit to get it to shift back down.
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