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Home >> Nissan-Datsun >> 2021 >> Sentra SR >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (4 Of 4) >> DTC/Circuit Diagnosis >> DTC P2A01: O2 Sensor 2 Bank 1 >> DTC Description >> Notes
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DTC Description: Notes

The heated oxygen sensor 2 has a much longer switching time between rich and lean than the air fuel ratio (A/F) sensor 1. The oxygen storage capacity of the three way catalyst (manifold) causes the longer switching time.