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P0133 Diagnostic Trouble Code Discussion for October 2011

Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response


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Trouble Ticket Help Requests for DTC P0133
Help Request Posted
2002 Hyundai Elantra GLS 2.0L MIL Lamp on VIN: KMHDN45DX2
P0133: Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response. ... MIL on with P0133 stored. Scoped O2 sensor and found it to be a bit lazy. Drops down below 100mv just fine and will quickly transition rich, but struggles to reach 750mv. Once there seems to hang rich for around a second, then will switch lean again. Rich/...
October 05, 2011
2002 Hyundai Elantra GLS 2.0L MIL Lamp on VIN: KMHDN45DX2
P0133: Heated Oxygen Sensor (Bank 1 Sensor 1) Slow Response. ... MIL on with P0133 stored. Scoped O2 sensor and found it to be a bit lazy. Drops down below 100mv just fine and will quickly transition rich, but struggles to reach 750mv. Once there seems to hang rich for around a second, then will switch lean again. Rich/...
October 05, 2011