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If the check engine light in your Dodge Grand Caravan is on, it is important to pull over and stop driving immediately. Ignoring the check engine light can lead to further damage to your vehicle. Once stopped, you can utilize an OBD II scan tool to retrieve the stored code in the ECU. A code like P219A indicates that the sensor has detected an air to fuel imbalance on bank 1, which could be caused by issues with the O2 sensor, injector, or valve preventing proper air mixture.
The code p219a on the Dodge Caravan indicates an issue with the air-to-fuel ratio on Bank 1.
Has the oxygen sensor in bank 2 on page 219 been replaced, but the code continues to appear?