P0130 (blink 21) on Toyota Vitz (SCP10): Front oxygen sensor circuit

Short answer: P0130 means “Front oxygen sensor circuit”. The car’s computer has found a fault in the Engine - O2 system and turns on the Check engine light (MIL). First check: check sensor connector and wiring.

Code

P0130 · blink 21

System

Engine - O2

Dashboard light

Check engine light (MIL)

Also sold as

Toyota Yaris, Toyota Echo (XP10)

Applies to

1SZ-FE (by platform)

Confidence

medium (Toyota Echo 1999–2002 factory diagnostics, same XP10 platform; not confirmed on JDM 1SZ-FE)

Source

carmanualsclub.com · toyota-club.net

Likely causes

1. Open or short in front oxygen sensor circuit
2. Front oxygen sensor
3. Air leak or fuel pressure fault

What to check, in order

1. Check sensor connector and wiring
2. Check for vacuum or exhaust leaks
3. Replace sensor if signal does not switch

Related on this car

• 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 Corolla (9th gen, E120)
• 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

← P0125 P0133 →

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.