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Home >> Toyota >> 1995 >> Avalon XLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Diagnostic Testing >> Code P0153 - Heated Oxygen Sensor (Left Side) Circuit Slow Response >> Condition

Code P0153 - Heated Oxygen Sensor (Left Side) Circuit Slow Response: Condition

Code is set when ECM detects a response time of one second or more from sensor to change from rich to lean, or lean to rich. Possible cause is heated oxygen sensor.

NOTE: Oxygen sensor located nearest radiator is referred to as left oxygen sensor.
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