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Home › Acura › 2021 › RDX Base › Repair and Diagnosis › Engine Performance › System › Engine Control System - DTC Diagnostics (P1659 - U0047) › DTC Troubleshooting › DTC P2A00 › Overview

DTC P2A00: Overview

If the A/F sensor (Sensor 1) output voltage deviates greatly from normal oxygen concentration levels during deceleration, the PCM determines an abnormality and stores the DTC.