i30 Owners Club

Dropping gears but not engaging turbo

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Offline metalarm

  • 1st Gear
  • *
    • Posts: 1

    • Singapore
Hi all.
I have an i30 1.4t dct  bought in 2018.
Recently, everytime I want to pick up speed or 'activate' the turbo, it drops gear, i.e. gear 7 to 5, then it starts juddering, sort of engine braking. I went to komoco, left the car there the whole day. The mechanics said nothing was wrong, its 100% in working condition. But the juddering is getting worse. But I notice if I use premium petrol, 98 or abv, the juddering becomes minimal. But if I use 95, this problem happens all the time I drive.
Interestingly, my wife doesn't experience much of this when she drives. Lol
  • I30 1.4t dct


Offline Greyhound

  • 3rd Gear
  • *
    • Posts: 209

    • gb United Kingdom
I wonder if you are loosing traction when suddenly applying power and triggering traction control. That would exhibit juddering symptoms but you should see a dashboard lamp lit when that happens.
  • i30 PD 2020 1.0 T-GDi


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