Hi guys,

Just received VAG-COM for my 01 non-Q TT, apr-chipped;

Trying to cure my "spontaneous" power loss problem. Sometimes it goes just fine - sometime it just won't go. Boost seems to be OK - it really feels like missfire although no codes are thrown,

I replaced spark plugs / coils and first day or two it was driving noticeably better; But again from time to time it starts doing that again. (It also feels

Using VAG-COM, is there something I can measure to see if the ignition working properly? Is there some kind of manual? or faq? what to measure and what kind of figures I should see?

Any help greatly appreciated,