Throttle delay or lag

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Austin White

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Hi All,

I have recently purchased a 2011 8P3 2.0 tfsi quattro and have noticed a lag in the throttle. I have just rev'd the car up sat on my drive way. When I slowly depress the throttle not a whole lot happens ( slight build in revs) until about 1/4 of the whole travel, then the engine picks up and is off.

Is this normal, as the car was in neutral there is hardly any load and so I would have thought the turbo lag would be minimal. Is this right?

Or could the throttle body be on the way out?

Cheers Austin
 
How does it actually drive?
Revving a cold engine on a driveway is not the best way to identify potential faults.
 
For the most part pretty well, I have gotten used to the throttle "lag".

However on my way to work there is a section of road where it goes from level to a medium gradient hill sharply. Obviously I accelerate to go up the hill. As I try and accelerate slowly up the hill, sometimes the car kicks down to 3rd from 6th and I'm off like a rocket, but i didn't floor the accelerator.

This doesn't happen very often but when it does its like the throttle has a mind of its own until I fully release the peddle and the car changes back to 5th or 6th
 
audi upgrades
It may be that the throttle body needs to be reset or realigned. Maybe the previous owner has been cleaning it for example. This may need to be reset with VCDS but you may be able to do it by disconnecting the battery earth for 15 minutes. Reconnect battery and turn the ignition on until the lights come on the dash and no further. Leave it like this for 3 minutes until all the whirring noises stop under the bonnet as the throttle body resets and don’t touch the throttle. Then start the car. You will get some lights on the dash which need you to drive the car a short distance moving the steering to left and right to extinguish. Also the auto function on the windows will need to be reset.
Hopefully the full range of the throttle will be returned. I did this on a Skoda Fabia manual gearbox that I picked up recently for £250 and it fixed the same problem that made it very difficult to drive.
 
You can also buy a pedal box for this platform which gets rid of the lag (which is a safety measure put in by the mfr).
 
Might be stupid but, assuming its a dsg, have you driven a dsg with a turbo engine before? Cause to me it just sounds like typical DSG behaviour.

Off the line, its really slow, as the clutch slowly disengages. Add to that the turbo lag and lack of power/torque under 1800rpm ro so and yeah it can feel weird at first. Especially if you're coming from a traditional auto box.

Also, the behaviour on the hill sounds normal to me too, as the DSG rushes to 5th or 6th gear and then when you need more power going up a hill or putting the load pedal down, you have a delay for the kickdown. I mostly drive in manual mode now so I can deal with those situation better.

At least I had to adapt the first few weeks.
 
Thanks for all of the replys.

On ptr57's point, is there a way I can check whether the alignment needs doing? Without VCDS I would have to look to either buy it or for someone close to me who has it. (I have posted on this forum looking for someone in Devon).

Lara3ro, Yes its a DSG, and no I haven't driven a DSG car before. I am coming from a very old 2.0 litre toyota ( with no poke). So yes it very much could be the fact that I am completely new to DSG and turbos. Yes I haven't owned the car for that long however sometimes the reaction of the car doesn't seam to have any correlation to my foot input

I would like to be able to tell if its the throttle or just how the car is.

Cheers
 
I know what you mean, my past ride was a 2004 toyota matrix.

As far as throttle calibration without VCDS: https://www.audizine.com/forum/showthread.php/324048-Throttle-Reset

I tried it once it didnt really noticed a difference, also did it with OBDeleven and again, no difference. It was all ok in my case, so I just learned to drive it with its peculiar throttle behaviour. In fact, its my new normal, I got in a automatic civic once and was really caught by surprised by the throttle response from a dead stop...
 
Flat out and you're harldy moving haha.

Well just followed these instructions:

Put the car in Park.
Pull the handbrake up.
Put the key and put it into the position just before the starter turns (DO NOT START THE CAR)
Push the gas peddle all the way wait 3 seconds and turn the key all the way back but do not take it out
Release the gas peddle and wait 2 minutes!
Remove key than put it back in and start the car!
You will notice a better response while pressing the gas,
Do this once every few weeks!

Has is made my difference? Shall report back tomorrow after my commute, sat on the drive way, maybe, but could just be placebo...
 
Well it might have made a difference, felt like I had more control but still when the DSG is trying to workout whats going on there is a bit of a delay. So shall just drive in manual when I know a hill etc is coming.

Thanks for the response. I might get the throttle body realigned but that's only if a I can get mates rates
 
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