Evilonerules

Hello I have a 2.0 turbo FSI and I'm having a problem with a p0011 code I need help bad I need this car up and running as soon as possible so little history I bought the car from a lady who did not take care of it must have drove it with no oil and a bad balancing shaft there was metal all through the engine so I had to rebuild it I replaced the balancing shaft oil pump assembly although it was not brand new I also replace the head since the cans were screwed up and fully clean the entire engine out the best I could with a pressure washer and Degreaser and stuff like that to get all the metal shavings out put the engine all back together and I threw a p0011 code I did my research and I change the VVT solenoid ran fine for about 2 days and then on the third day I threw the code again p0011 the car runs good has got power it's only stalled out twice when trying to take off up a small hill no other codes just don't understand I know nothing about these engines my first time only one it really need help to determine what the issue is I have double-checked all my timing marks they are on time I have also check the placement of the lobes with each other everything seems to be fine I just don't understand what I'm missing what I'm not seeing or understanding please help