Audi 2.0 TFSI erratic acceleration from low RPM

[jonismego]

Hi,

I'm haveing problems with the acceleration at low revs ( under 3000 rpm) from a cold start. When I accelerate the engine seems to 'bog down' and then slowly recover with a very erratic/ lumpy power delivery. It seems to spot , or you can no longer feel it when the turbo comes into effect. It also only seems to happen when the engine is cold. after 15 minutes of running the problem seems to disappear.

Has anyone else had this issue? All thoughts and ideas would be very welcome.

Thanks
Joni

[jones_440]

Did you ever find the problem?

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[jonismego]

Yes, eventually, it took the garage 3 weeks to work it out. The Intake manifold was clogged with carbon. The intake manifold had to be removed and cleaned. The garage blamed low quality fuel.