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P0133 Diagnostic Trouble Code Discussion for February 2008

Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response

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Trouble Ticket Help Requests for DTC P0133
Help Request Posted
1997 Mercedes-Benz C230 2.3L MIL Lamp on VIN: WDBHA23E1V
P0133: Oxygen sensor B1S1 aging or slow response. Car came in last year with same code. Replace with Bosch universal. Was ok for 6 months, then came back with same code. Warrantied Bosch sensor with Bosch sensor, cleared adaptations. Car came back with same code for slow response. Replaced with OE Mercedes se...
February 08, 2008
2001 Hyundai Elantra GLS 2.0L MIL Lamp on VIN: KMHDN45D21
P0133: Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response. Customer had some work done on the car due to MIL light always on. She had B1S1 and B2S2 replaced also cataylist under warrenty. Car still has PO133 code. I scanned the vehicle ,with lab scope connected 02 sensor seems flucuating at bank 1 300mv.-800mv. bank 2...
February 13, 2008