My 2001 audi a6 quattro has no power when i accelerate. Revs high but slow. on 2001 Audi A6 Quattro

Could the fuel filter be clogged? And my check engine light
is on and wont go off.

could be a clogged fuel filter but I would scan test for codes first
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Is it a automatic trans or manual?
Mines do the same its automatic