Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Nissan Sentra 08 (B16) Running Rich › Nissan Sentra 08 (B16) Running Rich December 19, 2019 at 9:54 pm #895549 Richard KirshyParticipant With mine, at idle when i introduce vacuum leak by removing the dipstick, fuel trims goes fine (ltft -3, stft 2) Another tidbit of information…. Might explore the engines crank case ventilation system