skyhighhobby

hello again all, so my TT has been doing this hiccup in idle, also when i drive seems like every time it hiccups like this i loose power, this hiccup used to only happen when the car got hot as i drove around town, but now its happening even during idle, seems to be getting worse, and no check engine light.
also the engine shakes as this hiccup happens
few guesses of mine; coils? spark plugs? secondary injection leak? air not getting to engine? air leak? i have no clue,
thanks and looking forward to any help
here is the video

lyleswk

I would say a misfire. What engine and have you downloaded codes?

skyhighhobby

its a 225hp quattro AWD 1.8L 4cyl turbo, she still drives but teh missfire/stutter is getting worse,
no codes so far, but check engine light did come on once and went away, code it spat was P0411 which is Secondary Air Injection System Incorrect Flow Detected
but the code went away, so not sure if thats the issue
thanks so much for the quick reply

skyhighhobby

could this be something as simple as a PVC valve or say a cracked air hose?