P0130 (blink 21) on Toyota Corolla E120: OXYGEN SENSOR CIRCUIT MALFUNCTION(BANK1 SENSOR1)
Short answer: P0130 means “OXYGEN SENSOR CIRCUIT MALFUNCTION(BANK1 SENSOR1)”. The car’s computer has found a fault in the EFI 1NZ-FE/2NZ-FE system and turns on the Malfunction indicator lamp (Check Engine). First check: oxygen sensor; Fuel trim malfunction.
- Code
- P0130 · blink 21
- System
- EFI 1NZ-FE/2NZ-FE
- Dashboard light
- Malfunction indicator lamp (Check Engine)
- Applies to
- 2NZ-FE 1.3 (PK XLi/GLi NZE120) and 1NZ-FE 1.5 (JDM NZE121/NZE124 Corolla/Fielder/Runx)
- Market note
- UNLEADED GASOLINE ONLY
- Confidence
- high (official Toyota RM821E)
- Source
- toyotamanuals.gitlab.io
Symptoms and when it is set
- Condition (a) and (b) continues for 60 secs. or more: (a) Voltage output of oxygen sensor remains at 0.35 V or more, or 0.55 V or less, during idling after engine is warmed up (b) Oxygen sensor output voltage amplitude is less than 0.3 V.
Likely causes
- Oxygen sensor; Fuel trim malfunction
Related on this car
- Upstream O2 sensor ageing
- All fault codes for this car
- Warning lights
- Where the parts are (parts map)
- Common problems
Same code on other cars
- P0130 · Toyota Passo (1st gen)
- P0130 · Toyota Vitz (1st gen)
- P0130 · Toyota Corolla (11th gen, E170)
- P0130 · Toyota Corolla (10th gen, E140)
- P0130 · Honda City (5th gen, GM2)
- P0130 · Honda Civic (10th gen, FC)
- P0130 · Suzuki Wagon R (Pakistan, K10B)
- P0130 on all cars compared
Clearing the code does not fix the fault. If it comes back, the problem is still there. For brakes, airbags and steering, see a trained mechanic.