Hello,
I have golf gti mk7.5 year 2018 dsg 30000 on clock. Its stage 3 with hpfp, ic, rs7 plugs, tte485 turbo.
I inspected the spark plugs all good, I moved the ignition coils no change. there is no oil or gasoline in the chamber (dry). the sound of blowing bothers me near cilinder 1 (intake...