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TuningBot DTC Database · v4.37.14

P0133 O2 Sensor Circuit Slow Response Bank 1 Sensor 1

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainEmissionsOBD2

What P0133 means

P0133
O2 Sensor Circuit Slow Response Bank 1 Sensor 1 Generic · emissions Data confidence 90%

The control module detected that the O2 Sensor responded more slowly than expected.

Symptoms

  • MIL illuminated
  • Possible increased fuel consumption
  • Possible unstable idle

Possible causes

  • Heating inoperative
  • wiring
  • H025

Recommended checks

  • Read live sensor voltage/current and heater status
  • Inspect wiring and connectors
  • Check for exhaust leaks near the sensor
  • Check fuel trim values for upstream mixture faults

Related and nearby codes

How to read P0133

P

Powertrain: engine, transmission and driveline systems.

0

Generic SAE-standard code: same meaning on every make.

133

Specific fault index within the subsystem.

Frequently asked questions about P0133

What does P0133 mean?

O2 Sensor Circuit Slow Response Bank 1 Sensor 1. The control module detected that the O2 Sensor responded more slowly than expected.

Is P0133 generic or manufacturer-specific?

P0133 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0133 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

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