All codes › P0130
P0130: O2 Sensor Circuit (Bank 1 Sensor 1)
What it means
There's a general circuit fault with the upstream O2 sensor on bank 1 (before the catalytic converter), which the computer uses to adjust fuel mixture.
Severity: Low–Medium May hurt fuel economy as the computer loses mixture feedback.
Common causes
- Failed upstream O2 sensor
- Wiring damage near exhaust
- Exhaust leak ahead of sensor
- Connector corrosion
Most common causes first. Exact causes vary by make, model and engine.
Can I fix it myself?
Often DIY. Upstream sensor is on the exhaust manifold or downpipe; check wiring first.
Repair cost
SEEDED ESTIMATE Roughly $70–$330
Most likely repair: oxygen sensor. Diagnosis fees, taxes and other causes are not included.
| Line | Low | High | Basis |
|---|---|---|---|
| Oxygen sensor | $36 | $168 | Typical listed retail range, source |
| Labor 0.3–1 hr | $30 | $160 | $100–$160/hr, shop survey |
⚠️ This is an editorial placeholder range for this type of repair. It is not based on real invoices or licensed pricing data yet. Real ranges will appear here once enough reader invoices for P0130 are verified.
Verified reader invoices for P0130: 0. Share your repair bill to help build real costs.
Tools that can read P0130
- ScanFixAI: Pro $29.99/mo or $249.99/yr
- OBDAI: Annual PRO bundle $299
- BlueDriver Pro Next-Gen: $119.95 list ($99.95 sale seen)
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