Engine revving on its own in first gear

Tiny
TIANXUSKY
  • MEMBER
  • 2016 VOLKSWAGEN POLO
  • 1.2L
  • TURBO
  • 2WD
  • AUTOMATIC
  • 30,000 MILES
I recently got the car listed above with1.2L TSI 90 DSG 7-speed, at 29,000 miles, and have some questions about the way it drives / if it's normal or not. It's really three questions, but the first one worries me most.

1. The car is at a standstill, I go off the brakes, and it's in first gear, as it should. It seems to be at biting point but doesn't move, so I push the accelerator lightly to go forwards, then come off it (because I want to brake, e.G, when I'm parking in a small space), and the engine suddenly starts revving up and down by itself for about 7 seconds before calming down, all this while the car doesn't move anywhere. It does this only for the first 5 minutes of driving, then the problem disappears. What's going on here?

2. I accelerate and as the DSG shifts from first to second gear, there is a huge jolt / lurch forward, but only for the first 10 minutes of driving, then it smoothens out. It's much more noticeable if I accelerate slowly, as if the gear shift is too premature. Is this normal? It feels really horrible.

3. In all the DSG gear shifts during acceleration, the rev counter rises up then falls on a gear change. But not in the second-third gear shift. The engine suddenly revs up for half a second (and you can hear it), as if not having engaged the clutch properly, then quickly engages and returns to normal. Is this a clutch slip between second and third gear?
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Monday, April 25th, 2022 AT 3:36 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi,

First, the Polo isn't offered in the US, so I don't have specifics. However, I will try my best to help.

What you described doesn't sound normal in any way. Based on how the transmission is shifting, the first thing to confirm is that the transmission fluid is clean and full.

Here is a link that you may find helpful:

https://www.2carpros.com/articles/how-to-check-and-add-transmission-fluid

Start with this and let me know the results. Also, I'm not certain on the Polo, but many of the VW vehicles will require the transmission to be at a specific temperature and checking requires the removal of a plug on the transmission pan.

Let me know what you find or if I can help in any way.

Take care,

Joe
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Monday, April 25th, 2022 AT 7:04 PM

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