Well during cold start stft reach +10 whiles map volt only peaks at 0.48v after ut gets warmed up it settles at 0 stft and 0 ltft but like .20v...
So i have a bone stock 2012 speed3 with 80k miles. For 2 months now it has had misfiring problems which trigger a p0300 code , ive noticed on my...
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