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Old 06-21-2015, 07:35 PM #1
Craig11909 Craig11909 is offline
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hesitation in acceleration
I've encountered a delay in acceleration both from an idle start and when coasting around a highway curve before merging into ongoing traffic. Both resulted in irate fellow drivers and white knuckles on my part. Conditions are dry, normal driving, full tank/half tank gas. Dealership has checked once, no codes and couldn't repeat it. Any thoughts,,,, 10k miles on vehicle, have had this problem 5-6 times.
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Old 06-21-2015, 08:08 PM #2
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Quote:
Originally Posted by Craig11909 View Post
I've encountered a delay in acceleration both from an idle start and when coasting around a highway curve before merging into ongoing traffic. Both resulted in irate fellow drivers and white knuckles on my part. Conditions are dry, normal driving, full tank/half tank gas. Dealership has checked once, no codes and couldn't repeat it. Any thoughts,,,, 10k miles on vehicle, have had this problem 5-6 times.
Bad tank of gas maybe? I know I've experienced a resistance to downshifting when in a higher gear but that's just mostly due to the ECU programming for economy.
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Old 06-22-2015, 02:25 PM #3
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The throttle response is slow/sluggish and I understand from the experts on here that it's just how the vehicle is programmed for fuel economy. I had a 2015 Jeep Wrangler Unlimited Sahara last week while the 4Runner was getting some paintwork done and I really noticed a difference in response and peppiness.
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Old 06-22-2015, 03:46 PM #4
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Quote:
Originally Posted by Craig11909 View Post
I've encountered a delay in acceleration both from an idle start and when coasting around a highway curve before merging into ongoing traffic. Both resulted in irate fellow drivers and white knuckles on my part. Conditions are dry, normal driving, full tank/half tank gas. Dealership has checked once, no codes and couldn't repeat it. Any thoughts,,,, 10k miles on vehicle, have had this problem 5-6 times.
The 4R is programmed to be reticent to downshift. Upshifts too early, downshifts too late, it's a mpg thing.

You have to learn to prod it with your foot, or drive it in S, and decide the shifting for it.

Normal.
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Old 06-22-2015, 04:43 PM #5
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If you leave it in S4 the transmission will shift for you for gears 1 through 4. It doesn't up shift as fast and holds the gears longer. When I want to go into 5th gear I just move the lever.
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Old 06-22-2015, 06:44 PM #6
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Pedal travel seems longer but there is no hesitation what so ever if you really put your foot in it. Don't be too shy, give it some gas.
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