DTC P2A00: A/F Sensor Circuit Slow Response (Bank 1 Sensor 1); DTC P2A03: A/F Sensor Circuit Slow Response (Bank 2 Sensor 1): Description

HINT:

DTC P2A00 indicates malfunctions related to the bank 1 A/F sensor.
DTC P2A03 indicates malfunctions related to the bank 2 A/F sensor
Bank 1 refers to the bank that includes No. 1 cylinder.
Bank 2 refers to the bank that includes No. 2 cylinder.
Sensor 1 refers to the sensor mounted in front of the Three-Way Catalytic Converter (TWC) and located near the engine assembly

DTC DETECTION CONDITION CHART

DTC No.	DTC Detection Condition	Trouble Area
P2A00 P2A03	Calculated value for air-fuel ratio (A/F) sensor response rate deterioration level is less than threshold	Open or short in A/F sensor (for Bank 1, 2 Sensor 1) circuit A/F sensor A/F sensor heater ECM