Have you scanned the car for trouble codes; please post any and all trouble codes. If you don't have a vw compatible scanner; I would suggest you get one asap: look on amazon.com for the vs450 (a simple, basic, vw code reader), under $50 or look at the ross tech vcds, (a factory level scan tool).
After cleaning the throttle body; you need to adapt/align it.
http://wiki.ross-tech.com/wiki/index.php/Throttle_Body_Alignment_(TBA)
You might also; want to do some testing of the throttle body: what year and model of new beetle do you have? Please fill out your info; so, we can help you more intelligently in the future.
After cleaning the throttle body; you need to adapt/align it.
http://wiki.ross-tech.com/wiki/index.php/Throttle_Body_Alignment_(TBA)
You might also; want to do some testing of the throttle body: what year and model of new beetle do you have? Please fill out your info; so, we can help you more intelligently in the future.