DTC P0133 Audi
O2 Circuit Slow Response (Bank 1, Sensor 1)
O2 Circuit Slow Response (Bank 1, Sensor 1)
Description
Engine speed, 1240-4520 RPM Engine load, 18-50% Delta engine load, <3% rev Actual lambda, 0.85-1.15 EVAP purge flow, <15 Lambda control, Closed loop Lambda control, Not at min or max limit Delta lambda oscillation, >0.007 O2S Oxygen temp, <570 °C O2S ceramic temp, >715 °C
Cause and Solution
HO2S Fuses
HO2S terminal corrosion
Open between HO2S and Power supply relay
Open or Short? between HO2S and ECM
Faulty HO2S
Video Guide
Diagnostic Info
- DTC Code: P0133
- Brand: Audi