Slow Acceleration or Turbo Lag ***SOLUTION*** - Land Rover Discovery Sport Forum
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post #1 of 20 Old 04-25-2018, 11:16 PM Thread Starter
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Slow Acceleration or Turbo Lag ***SOLUTION***

.
Did some research and found a successful solution for myself.

Reset Automatic Transmission:

0. Press "Start" button only. (ie: Do NOT start the engine.)
1. Press and hold gas pedal to floor for approx. 15secs.
2. Press "Start" button again.
3. Release gas pedal.
4. Wait approx. 2mins.; start engine and drive.

(Footnote: This process will renew the transmission program and erase the adaptive learning system to learn your driving style. If ever the system feels slow/sluggish just perform another reset.)
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post #2 of 20 Old 04-26-2018, 12:02 AM
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Originally Posted by USER.000 View Post
.
Did some research and found a successful solution for myself.

Reset Automatic Transmission:

0. Press "Start" button only. (ie: Do NOT start the engine.)
1. Press and hold gas pedal to floor for approx. 15secs.
2. Press "Start" button again.
3. Release gas pedal.
4. Wait approx. 2mins.; start engine and drive.

(Footnote: This process will renew the transmission program and erase the adaptive learning system to learn your driving style. If ever the system feels slow/sluggish just perform another reset.)
.
Im going to give this a shot on my way home tonight- see if it helps!
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post #3 of 20 Old 04-27-2018, 02:40 AM
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Originally Posted by USER.000 View Post
.
Did some research and found a successful solution for myself.

Reset Automatic Transmission:

0. Press "Start" button only. (ie: Do NOT start the engine.)
1. Press and hold gas pedal to floor for approx. 15secs.
2. Press "Start" button again.
3. Release gas pedal.
4. Wait approx. 2mins.; start engine and drive.

(Footnote: This process will renew the transmission program and erase the adaptive learning system to learn your driving style. If ever the system feels slow/sluggish just perform another reset.)
.
seemed to work nicely- much smoother on acceleration, good tip!
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post #4 of 20 Old 04-27-2018, 08:33 AM
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when you perform step 2.... won't the engine start at this point since you are pressing gas pedal as well..... ?
Confused...as there is step 4....wait 2 min and start engine then
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post #5 of 20 Old 04-27-2018, 11:50 AM
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Quote:
Originally Posted by Paul View Post
when you perform step 2.... won't the engine start at this point since you are pressing gas pedal as well..... ?
Confused...as there is step 4....wait 2 min and start engine then
I would think no - your foot should be on the brake to start.

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post #6 of 20 Old 04-28-2018, 10:54 AM
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The reset back to factory was posted in an other forum and some owners found a difference most did not. Depends on how you where driving the car before hand. After a while the car learns your driving habits and goes back to the way it was before the reset.

I had tried it months ago and it seemed to shift better but I think it was my overactive imagination. Or maybe the car was pleased with the way I was driving beforehand.
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post #7 of 20 Old 05-05-2018, 05:33 PM
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Did it and surely it helped.... I like to drive my DS hard and I do step on the gas a lot.... it seems the rest helped when it comes to the smoothness between gears.... before I would make the transmission lose the gears....trying to catch up with me.... jerking a lot....now it is smoother while being quick..... much less jerking and quicker shifting up
it's been only a few days and hope it will last at least several months (I assume it is not permanent solution.....after all...what would you expect from 9 gears transmission paired with 2.0 I4)
It really should be 6..maybe 7 gears max
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post #8 of 20 Old 05-08-2018, 07:50 AM
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I wasn't having any acceleration issues as others have described, but thought perhaps it had gotten a bit sluggish since new (15,000 miles). So, did the reset last night, and I'll have to say it has made a notable difference Not that it was bad before, but the acceleration improvement was noticeable, even in D (not sport). Also seems smoother.

I'm guessing the learning gearbox has gotten into to some undesirable (for me anyway) habits due to my normal driving. My drive to and from work (the vast majority of miles) is on city/surface roads with about 40 mph speed limit, and not much in the way of quick starts, etc. "Unlearning" that is a welcome change!

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post #9 of 20 Old 05-15-2018, 05:41 AM
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Nice Post.


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post #10 of 20 Old 01-26-2019, 11:56 AM
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Thanks for this. Will try this weekend. Sometimes there's a slight lag, then takes off. I especially notice on turns.
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