So for the past few months i noticed that the car was waaaay low on power. When originally purchased the car it was a complete animal. Sold it to one of my buddies and ended up buying it back. When i repurchased the car was low on power, nothing to what i remeber. So untill now ive had the money to start fixing it up but im having trouble pinpoiting the source. I had already fixed a few boost leaks and that seemed to help. I also moved the timing from the crank because the timing marks would not match. Moved it forward one thooth and now its closer but still the lines dont match. Once i did that the car felt a bit more responsive and alive. Boosting 19-20psi but. I just dont feel that kick of 20psi of boost. My vaccum in gear without accelerating is 21 and in neutral 17-18, at start up it starts at 10 and slowly climbs down to 17-18. I have done a boost leak test and to what i can tell there is none anymore. I have a new n75 with a afterstock hyperboost dv. I forgot to mention that sometimes my boost fluctuates dramatically. Aside from that and its not always when im in 3rd, not just that gear but more noticable because of the speed and rpm, if im going like 25mph and accelerate 80-100% the car hesitates and feels like it jerks, like if boost is kicking in but Not fully engages. I can hear the turbo spool and psi is full boost but it feels as its not engaging all the way. Also and this doesnt happen that often. Sometimes i can replicate and sometimes i cant. One time when it did the jerking kind of feel, when i let off the gas there was backfire, i managed to make it do it twice and hasnt done it since. There were no codes for missfires or anything so im thinking it might have to do with fuel/air ratio. Now i should mention that i got these codes.[IMG]
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ive been getting the knock sensor and 02 for a while but I've just been resetting them untill the other day it started to run rough while on idle right before leaving for a road trip. So i had to go back home and get my b7, So the other day i cleared the codes to see what would come up. Before i wouldn't get the misfires untillb a few days ago. Cleared them parked the car so i could move around and do all the holiday. So this morning i turned on the car and it felt like if i was running on two cylinders, wouldn't die just run extremely rough. I tried revving it a bit it would rev but with great difficulty. After like a min or two all that went away and the car was running smooth. Then i looked at measuring block 32 and 33 and this is what it was pretty much for a long time. Give or take like 6 digits more and 3 less from the actual value posted. It kept changing.
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At this point i would disconnect the maf and values would go down closer to zero and be hoovering around 2-3 both negative and positive values. So my plead for help is to help me diagnose. I have already order the front o2 and the green plug knock sensor because according to my searches that code is for the green knock sensor. Any input is most appreciate it.
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