Purely going off of what three or four other threads said related to the same series of codes that you mentioned. I would certainly take it to a capable indy shop to have them test/verify before spending that kind of money. I know the part is expensive but numerous shops around here will do the diag part "free" and then advise of the recommended replacement / solution. I do not know what the test would be to verify if the VANOS solenoid is good/bad. Sorry.
Originally Posted by Goku9384
The solenoid is a 600$ part is there a test or anyway you can see visually to know for sure thats the issue?
"! First rule of Italian driving, that which is in your mirror is not important !"