so hello i have an audi 90 2.3 bj 88 with 136ps my problem i when the car starts and drive so about 1km goes everything ok dan he takes the gas only at quite easily so only if the first throttle flap is open so half gas so if I want to give full gas stutters and rattes everything and goes nothing further so to be able to drive I have to give quite easily gas there it goes up to 2700 maximum no more otherwise it stutters again!so after some time when it is really warm so right 90-1 00 degrees is all gone and there are no more problems !!!what’s up ? my intake noise is louder and I’ve only got the car 1 month I don’t know what the guy did on the air filter but how I bought it there were no problems so please help me so it’s only in the warm run phase so in the cold start I have no problems until I drove about 1km dan starts s and I feel like when it warms up very slowly