Sorry, wasn't thinking... for this dialogue they're the same though... The dizzy and CPS both have an outer seal and both can also leak internally (not something that's easy to remedy). Take the cap off the CPS to see if there's oil on the inside which is escaping through the weep in the bottom of the CPS housing. The O ring I recommend just replacing, you've got to pull the CPS to check it anyway and it's DIRT CHEAP.
SOME oil in the intake is normal from both the PCV system and from the turbo's oil seal... there are ALWAYS oil vapors being carried with the blowby gasses being removed by the PCV system and there is ALWAYS oil escaping the turbo's oil seals. HOWEVER, this oil should not accumulate in any appreciable amount in a few months time. On an older MKIII I'd say that more than a table spoon of oil drained out of the intercooler after cleaning it out three months prior is way too much, BUT still plenty driveable. If you're seeing a loss of half a quart between fuel fillings I bet there's a decent amount of that sitting in the Ic and it's time for an overhaul.
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