01S4: Fault Codes (DTC)

[Derek Daily]

So...

My 4+ week old wagon output 4 DTCs yesterday. Looking
for comments.

16684 P0300 035
Random/Multiple Cylinder Misfire Detected

16690 P0306 035
Cyl. 6 Misfire Detected

16688 P0304 035
Cyl. 4 Misfire Detected

16826 P0442 035
EVAP Emission Contr.Sys.(Small Leak)
Leak Detected
sporadic DTC

MY COMMENTS:
- Should not be gas cap related. I've always been very
careful about tightening it (two clicks).
- After wash last weekend I ran the car VERY briefly
(<1min) when pulling it into the garage. Next start-up
seemed 'hard.' And the MIL appeared shorty thereafter
(next run..i think).
- The short-run MIL is a known occurrence on the A6
board, but I don't have a complete DTC list to
compare.
- Worried about DTCs after "slipped clutch" incident
of 2 weeks prior (which is still less than completely
smooth and will be checked with 5k service).
- Also worried about relatively large amount of light
colored smoke from the exhaust at initial startup. 
- Car will be scheduled for service, but looking for
BTDT. 

Thanks for your comments, 

Derek Daily
01 S wagon



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