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P0133 Diagnostic Trouble Code Discussion for August 2012

Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response

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Trouble Ticket Help Requests for DTC P0133
Help Request Posted
2003 Lexus GS300 3.0L Hesitation, MIL Lamp on VIN: JT8BD69S43
P0133: Heated Oxygen Sensor (Bank 1 Sensor 1) Signal Slow Response. With warm vehicle on test drive it has hesitation on accel - similar to MAF. Barely gets to 80% Calc Load, has slight detonation like lean, STFT goes to almost 20%. In bay it gets strange. Warm at idle in park, hood closed, AC off, cooling fans off, upstream O...
August 28, 2012