Acceleration
03-16-2018, 11:58 AM
#1
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Acceleration
Hello everybody
I have a 2007 Audi q7 4.2 premium
when I make a full stop , and then press the pedal again to go . The engine rev goes up but the car takes time to move and then suddenly it moves as if it jumps forward
only when I press pedal very slowly , then it would move normal
I also noticed that in high gears there is no problem I think it is only in 1st and 2d gear this acceleration problem ..specially 1st gear when I'm stopped or moving at like 5km/h and so .
any advice would be much appreciated
oh and my car has 260k kilometers on it
that's like 160k miles .
I have a 2007 Audi q7 4.2 premium
when I make a full stop , and then press the pedal again to go . The engine rev goes up but the car takes time to move and then suddenly it moves as if it jumps forward
only when I press pedal very slowly , then it would move normal
I also noticed that in high gears there is no problem I think it is only in 1st and 2d gear this acceleration problem ..specially 1st gear when I'm stopped or moving at like 5km/h and so .
any advice would be much appreciated
oh and my car has 260k kilometers on it
that's like 160k miles .
03-16-2018, 12:13 PM
#2
AudiWorld Super User
Hello everybody
I have a 2007 Audi q7 4.2 premium
when I make a full stop , and then press the pedal again to go . The engine rev goes up but the car takes time to move and then suddenly it moves as if it jumps forward
only when I press pedal very slowly , then it would move normal
I also noticed that in high gears there is no problem I think it is only in 1st and 2d gear this acceleration problem ..specially 1st gear when I'm stopped or moving at like 5km/h and so .
any advice would be much appreciated
oh and my car has 260k kilometers on it
that's like 160k miles .
I have a 2007 Audi q7 4.2 premium
when I make a full stop , and then press the pedal again to go . The engine rev goes up but the car takes time to move and then suddenly it moves as if it jumps forward
only when I press pedal very slowly , then it would move normal
I also noticed that in high gears there is no problem I think it is only in 1st and 2d gear this acceleration problem ..specially 1st gear when I'm stopped or moving at like 5km/h and so .
any advice would be much appreciated
oh and my car has 260k kilometers on it
that's like 160k miles .
03-18-2018, 08:46 AM
#4
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not totally but it's better
I've also noticed that lets say I'm driving on the 3d gear and I noticed a red light in the distance I take off my foot on the gas so the car decrease speed and then after seconds goes to 2nd shift normally cause it is decreasing speed but when I see it's a green light so I press the gas pedal again and there I can tell it is lagging and actually engine is racing but the car not accelerating normally and nor shifting to third but instead engine rev goes up and the car kind of jumps forward as if u feel it was stuck on 2nd gear and then boom to the third with a high force
I've also noticed that lets say I'm driving on the 3d gear and I noticed a red light in the distance I take off my foot on the gas so the car decrease speed and then after seconds goes to 2nd shift normally cause it is decreasing speed but when I see it's a green light so I press the gas pedal again and there I can tell it is lagging and actually engine is racing but the car not accelerating normally and nor shifting to third but instead engine rev goes up and the car kind of jumps forward as if u feel it was stuck on 2nd gear and then boom to the third with a high force
03-18-2018, 08:49 AM
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it's at 160 k miles and I don't know when or if previous owners changed the transition oil I got it at 158k miles and only noticed this issue after a month of the purchase sadly!
03-18-2018, 10:20 AM
#6
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I had the same issues with my 2014 Q7 Prem. Read somewhere on this forum a sequence you can perform that will reset the memory that the tranny uses to adapt to your driving technique. It is a series of key turns and accelerator pressings, it definitely improved the issue.
here is the link:
https://www.audiworld.com/forums/q7-.../#post24795436
from the thread:
You can try the transmission adaptive memory reset - ignition on but do not start the engine, hold the throttle on the kick-down for 10 seconds or so then release and turn off ignition.
This is supposed to reset the driving-style shift pattern that the transmission uses and sets it back to factory settings.
here is the link:
https://www.audiworld.com/forums/q7-.../#post24795436
from the thread:
You can try the transmission adaptive memory reset - ignition on but do not start the engine, hold the throttle on the kick-down for 10 seconds or so then release and turn off ignition.
This is supposed to reset the driving-style shift pattern that the transmission uses and sets it back to factory settings.
03-19-2018, 12:00 AM
#7
AudiWorld Super User
not totally but it's better
I've also noticed that lets say I'm driving on the 3d gear and I noticed a red light in the distance I take off my foot on the gas so the car decrease speed and then after seconds goes to 2nd shift normally cause it is decreasing speed but when I see it's a green light so I press the gas pedal again and there I can tell it is lagging and actually engine is racing but the car not accelerating normally and nor shifting to third but instead engine rev goes up and the car kind of jumps forward as if u feel it was stuck on 2nd gear and then boom to the third with a high force
I've also noticed that lets say I'm driving on the 3d gear and I noticed a red light in the distance I take off my foot on the gas so the car decrease speed and then after seconds goes to 2nd shift normally cause it is decreasing speed but when I see it's a green light so I press the gas pedal again and there I can tell it is lagging and actually engine is racing but the car not accelerating normally and nor shifting to third but instead engine rev goes up and the car kind of jumps forward as if u feel it was stuck on 2nd gear and then boom to the third with a high force
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03-19-2018, 11:33 PM
#8
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I had the same issues with my 2014 Q7 Prem. Read somewhere on this forum a sequence you can perform that will reset the memory that the tranny uses to adapt to your driving technique. It is a series of key turns and accelerator pressings, it definitely improved the issue.
here is the link:
https://www.audiworld.com/forums/q7-.../#post24795436
from the thread:
You can try the transmission adaptive memory reset - ignition on but do not start the engine, hold the throttle on the kick-down for 10 seconds or so then release and turn off ignition.
This is supposed to reset the driving-style shift pattern that the transmission uses and sets it back to factory settings.
here is the link:
https://www.audiworld.com/forums/q7-.../#post24795436
from the thread:
You can try the transmission adaptive memory reset - ignition on but do not start the engine, hold the throttle on the kick-down for 10 seconds or so then release and turn off ignition.
This is supposed to reset the driving-style shift pattern that the transmission uses and sets it back to factory settings.
03-19-2018, 11:34 PM
#9
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do u think air filters have anything to do with this issue?
im pretty sure they are 3 years old now and i should change em
03-20-2018, 08:09 AM
#10
AudiWorld Super User
really doubt it, but you should change them anyhow..
If your getting hard shifts, and your over 70k miles with original ATF fluid.. get the fluids changed, your well over twice what the Transmission Manufacturer would recommend.. but Audi has no recommendation on changing ATF fluid, so in all likelihood your rocking 160k mile ATF.
Everyone should be putting new ATF in ~65/70k miles, despite what Audi thinks.
If your getting hard shifts, and your over 70k miles with original ATF fluid.. get the fluids changed, your well over twice what the Transmission Manufacturer would recommend.. but Audi has no recommendation on changing ATF fluid, so in all likelihood your rocking 160k mile ATF.
Everyone should be putting new ATF in ~65/70k miles, despite what Audi thinks.