[yabbya5]

Audi s5 b8.5 dsg Anyone have/had issue of car jerking forward when coming to a stop. Happens 5-10% of the time. Sometimes its light other times it's more violent. Feels like it's the gearbox holding onto 2nd too long before going into first gear. Car has 29k on the clock so maybe the gearbox service will resolve it when due at 32k?

How to fix those clunky gear changes with a DSG Reset (VW Skoda Audi Seat gearbox auto) | Hypermiling | Fuel saving Tips | Industry News | Forum

 

[yabbya5]

Hi All, I recently bought a 2010 A5 TFSI .2.0 DSG 7 speed with just 81k Km on the clock always serviced at Audi is excellent condition. After few months I felt some jerking when taking off normally around 2-3 gears at lower revs. I started reading the forums and found many people have having such issues. Through the journey of trying to work out whats happening I learned that you could reset the transmission and this helped some people. I tried it it seemed to help but before long I had the jerking return.
Reset Audi ECU / Transmission

1. Press the gas pedal to the floor.
2. Turn on the ignition but do not start the engine. ...
3. Keep the gas pedal pressed for at least 15 seconds.
4. Turn off the ignition. ...
5. Drive your Audi carefully and allow it to change gears at low RPM for the first 10 minutes

Then I read that if your transmission oil has not been changed reguarly it can cause Jerking so I changed the oil it had not been done in a while so it was due. But the Car still jerked on take off.

I then read that it could be to do with the MAF so I had a look at it https://www.youcanic.com/audi-mass-air-flow-maf-sensor-symptoms-replacement.

I have not removed the MAF senor and cleaned it but I did put electrical tape around the hose and the connector and its made a huge difference. The jerking has stopped. About a week later I also installed Audi A4 S4 A5 S5 VW Transmission Mount Insert Bush B8 Aluminum Dog Bone. That has made the transmission even better. I do plan to removed the MAF senor and cleanit just waiting for some sockets to arrive. and hope it improve perfromance further.

 

[yabbya5]

Update: I took out the MAS sensor and the red component shown here was completely black with baked on grime. I sprayed with CRC Mass Air Flow Sensor Cleaner 300g until it was redish like the picture below. When I put back into the car the perfromance of the car improved significantly.

Here is the youtube on how to clean the sensor.

 

[yabbya5]

Adding the B8 Aluminum Dog Bone to the transmission mount was a noticeable improvement. A5 2.0 TSFI now a great car to dive very responsive and no jerking.