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So this weekend I pulled out the Vagcom Lite and decided to read some codes. I've always had a SAIP issue so that threw the P0411 code. This time however I got 9 codes coming up!!! I cleared them all, went for a drive and later only 3 codes came up (cy 4 misfire ect). I have had an issue after refueling 100% that the car takes 5-7 seconds to start and runs a little rough after. I'll post the codes but first a little history

Car: Passat 2005 1.8t GLS TripTronic 80,000 km
Major repair @ 73000km
- Blown Head Gasket
- plugs and timing belt changed at this time

Address 01: Engine Labels: 06B-906-018-AWM.LBL
Controller: 4B0 906 018 DQ
Component: 1.8L R4/5VT G 0040
Coding: 0016551
Shop #: WSC 91511
VCID: 73995CCF52BB
3 Faults Found:
16795 - Secondary Air Injection System: Incorrect Flow Detected
P0411 - 002 - Lower Limit Exceeded
17544 - Shareware Version. To Decode all DTCs
P1136 - 001 - Please Register/Activate
16555 - Shareware Version. To Decode all DTCs
P0171 - 004 - Please Register/Activate
Readiness: 0000 1100

Now this morning my check engine light came on and was FLASHING. Stopped and waited 2 minutes. Started her back up again and everything was fine. Can anyone provide some insight as to what may be going on?
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