DTC P2A00-26: O2 Sensor Circuit Range/Performance Bank 1 Sensor 1 Signal Rate of Change Below Threshold [09/2022 - ]: Description

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Refer to DTC P2195-19.

Refer to PROCEDURE - Step 1

HINT:

Although the DTC titles say oxygen sensor, these DTCs relate to the air fuel ratio sensor.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	MIL	Memory	Note
P2A00-26	O2 Sensor Circuit Range/Performance Bank 1 Sensor 1 Signal Rate of Change Below Threshold	The calculated value for the air fuel ratio sensor response rate deterioration level is less than the threshold (2 trip detection logic).	Air fuel ratio sensor (sensor 1) Intake system Port fuel injector assembly Direct fuel injector assembly Fuel pressure (for low pressure side) Fuel pressure (for high pressure side) Fuel system Fuel pump (for low pressure side) Gas leak from exhaust system ECM	Comes on	DTC stored	SAE Code: P2A00 DTC for Mexico Models: Applies (Mexico models only)