He he................(thanks for not throwing a watermelon at my head)
....won't work.....ECU boots...one at a time.....needs 7pin codes/keys read it....black ring....change sparkys and everything, ahuh don't I know it.......huff puff whew!
OK the whole thing! Yeah The whole course of events starts with the starter not starting intermittently (but I fixed that with a new ignition sender thingy) the idle will nearly stall 2-3 times every minute! (NB intermittantly) Then run rough like a juddering engine sounding like a bag of s****t and return to normal, stall whilst driving when the foot is off the accelerator (intermittently) so I'm not so surprised to hear swap everything over cos that's exactly happening.
The vag first time said nothing of any immo prob, (another session) then said it had the fault but no intermittency then whilst running car says the same WITH intermittently all after clearing, recently it stays no faults after but will be present again next day start up.
For as many associated faults it may be just the fuel filter but as for reading it and maybe getting a good diagnoses without involving the intermittent whatever it is may be a case of only narrowing it down. I say that because the vw boys had the computer checked over night and they can't find it (flush $200). Which part is it, hardware or software, well, those codes would be handy getting into it.
One post had these symptoms but they didn't finish with a fix and they had changed just about everything near the end, I'm going as far as injectors before it gets the engine hauling out at the shop and even then an engine change is more on the cards!.
Unrelated to the engine probs from the immo is a surprise !!