По книжке прогретый х.х. - 3.5-7.5 граммосеков
FUEL SYSTEM AT THE ADAPTIVE LIMITS (RICH OR LEAN) P0172, P0174, P0171 AND P0175: FUEL SYSTEM AT ADAPTIVE LIMITS
DTC P0171, left bank, and DTC P0174, right bank, indicate the fuel/air ratio is too lean. The system is at the rich limit.
Бедная смесь на обе стороны, достигнут предел по топливной коррекции