DTC Description

When the conditions below are met, the PCM sets DTC P2237.

• The fuel factor change is higher than 0.1V when O2 sensor voltage is 1.49 ~ 1.5V
• Integrated air mass flow value is higher than threshold value when the sensor voltage is 1.49 ~ 1.5V
• The fuel cut is being kept when the sensor voltage is lower than 0V