Holy craptards, I’m hitting this issue also. “Cold start not controllable”, “air mass plausability: air mass too low,” and more. I’ve replaced plugs, coils, MAF sensors, VANOS solenoids (all 4), exhaust side VANOS camshaft sensors. And she still runs like (bleep). Need help, don’t want to pull the covers and replace timing chains and cam sprockets just to continue to have issues.
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