DTC Description
The PCM monitors fuel trim values during specified driving enable conditions. If the average Long Term Fuel Trim (LTFT) is higher than the threshold value over the specified time, the PCM sets DTC P2191.
The PCM monitors fuel trim values during specified driving enable conditions. If the average Long Term Fuel Trim (LTFT) is higher than the threshold value over the specified time, the PCM sets DTC P2191.