DTC P0133 Subaru
O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)
O2 Sensor Circuit Slow Response (Bank 1 Sensor 1)
Description
Time needed for all secondary parameters to be in enable conditions ≥ 1024 ms: Battery voltage ≥ 10.9 V. Barometric pressure gt; 75 kPa (563 mmHg, 22.2 inHg). Closed loop control with main feedback - In Operation. Front oxygen (A F) sensor impedance = 0 Ω - 50 Ω. Elapsed time after starting the engine ≥ 120000 ms. Engine coolant temperature ≥ 75 °C (167 °F). Engine speed = 1000 rpm - 3200 rpm. Vehicle speed 10 km h - 120 km h (6.2 MPH - 74.6 MPH). Amount of intake air = 10 g s - 40 g s (0.35 oz s - 1.41 oz s). Engine load lt; 0.02 g rev (0 oz rev). Learning value of EVAP conc. during purge lt; 0.2. Total time of operating canister purge ≥ 19.9 s.
Cause and Solution
Loose exhuast sytem connections.Damaged exhaust system components.Defective front oxygen sensor.
Video Guide
Diagnostic Info
- DTC Code: P0133
- Brand: Subaru