DTC Subaru P0133 Short Explanation
Channel: Maxidot Subaru
Date: 2020-06-20

The video focuses on the basic Subaru specific diagnostic error code.
Contents:
0:21 Basic DTC analysis according to OBD2 protocol standard.
1:48 Insight into programming
- an explanation of what a bit is and how a byte is formed
- decoding the Error Code to the base programming
2:58 A diagnostically understandable description of the Diagnostic Trouble Code
3:05 Basic error definition
- Possible causes or errors of the car and its parts describing the mentioned error

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Make:
Subaru
Code:
P0133
Definition:
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 or 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 or h - 120 km or h (6.2 MPH - 74.6 MPH).Amount of intake air = 10 g or s - 40 g or s (0.35 oz or s - 1.41 oz or s).Engine load 0.02 g or rev (0 oz or rev).Learning value of EVAP conc.during purge 0.2. Total time of operating canister purge ≥ 19.9 s.
Cause:
Loose exhuast sytem connections.Damaged exhaust system components.Defective front oxygen sensor.