Hey!
I have been chasing this problem for a long time now, and i cant seem to find or fix it!
car idles and drives perfect until i hit boost, then it starts acting up. It sounds like a machine gun from 0-1 bar boost, kind of like this -> https://youtu.be/dkUWj1ExJtY?t=7s except mine makes that sound all the time until i let go of the accelerator.
I would also like to point out that if i disconnect the MAF the car runs perfect, but can only make 0.3 bar. Tried changing the maf with a brand new one, but the problem was still there (i forgot to reset the ecu) so i returned it. Maybe i just needed to reset the ecu? Or could it infact be spark blowout?
car is chipped with a cold air intake, otherwise stock.
I get no fault codes.
Brand new ngk bkr7e plugs (factory gapped at 0.28(?)
new CTS
new ICM
no boost leaks
and probably a bunch more that i cant remember right now.
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