hi guys,,can somebody please identify this noise on my octavia vrs,,it can be heard when i start the car,,,and it also can be heard when i rev it quickly,,,but not on a slow rev,,,please help, it can only be heard down low in rev range,,,between 1000-2500rpm,,with a quick jab of the accelerator,its driving me mental,,and ps,,after about 30 min of driving ,,the noise goes,, and returns for a bit when the car is re started after shut down,,,, mabye a rattle secondary air pump ?????

Boost pipe come off?

Boost pipe come off?

it could be mate,,,but the car runs 100 percent,,,apart from that noise,,, coould it be my arm intake making the chirp,,i have a neuspeed pflo cai fitted ???

heres a youtube vid i made of the noise,,,please have a listen guys and tell me your thoughts

Hi and welcome aboard.