DTC Description
The ECM sets DTC P219500 if the signal value is held lean due to a over variation in the characteristic of the upstream oxygen sensor signal, a signal failure between the upstream oxygen sensor and the down stream oxygen sensor.
The ECM sets DTC P219500 if the signal value is held lean due to a over variation in the characteristic of the upstream oxygen sensor signal, a signal failure between the upstream oxygen sensor and the down stream oxygen sensor.