Codes › GENERIC › DTC-OBD2 › P0133
GENERIC • DTC-OBD2 • P0133 Category: SensorO2 Sensor Circuit Slow Response (B1S1)
Oxygen sensor response is too slow.
The ECU detects that the oxygen sensor on bank 1 sensor 1 is reacting too slowly to changes in exhaust oxygen. This may be caused by sensor aging, contamination, or exhaust leaks. Fuel control may become less accurate.
Related DTC-OBD2 codes
- DTC-OBD2 P249F — Exhaust Gas Temperature Too High
- DTC-OBD2 P2453 — Diesel Particulate Filter Pressure Sensor A Range/Performance
- DTC-OBD2 P2452 — Diesel Particulate Filter Pressure Sensor A Circuit
- DTC-OBD2 P2201 — NOx Sensor Range/Performance
- DTC-OBD2 P2200 — NOx Sensor Circuit Malfunction
- DTC-OBD2 P2196 — O2 Sensor Signal Stuck Rich (B1S1)
Frequently Asked Questions
What does DTC-OBD2 code P0133 mean?
DTC-OBD2 code P0133 is a factory equipment code used by GENERIC to describe a specific vehicle configuration or component.
Where can I find DTC-OBD2 code P0133 on my car?
This code is typically found in the vehicle’s factory build data, service documentation, or can be confirmed by decoding the VIN.
Does DTC-OBD2 code P0133 affect maintenance or parts?
Yes. Factory codes determine correct parts selection, software compatibility, and service procedures for your exact vehicle configuration.
How can I verify DTC-OBD2 code P0133 for my vehicle?
The most reliable way is to order a complete Vehicle Data Sheet decoded directly from your vehicle’s VIN.