P0130Medium Priority

O2 Sensor Circuit Malfunction (Bank 1 Sensor 1)

Category: PowertrainFuel and Air Metering

Based on 26 owner reports

What is P0130?

Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 1). Problem with the upstream oxygen sensor circuit on Bank 1, affecting fuel trim and emissions.

Symptoms You May Notice

  • Check engine light
  • Poor fuel economy
  • Rough idle
  • Failed emissions test
  • Hesitation

How to Fix It

  • Replace upstream O2 sensor ($100-$300, intermediate)
  • Repair wiring harness ($150-$400, intermediate)
  • Check exhaust leaks ($100-$500, intermediate)

Owner Statistics

Based on 8,965 real owner discussions • 643 confirmed solutions

Dataset (8,965 records)
$838
Average Repair Cost
7%
Success Rate
19%
DIY Repairs
8,965
Data Sources

About This Data

Statistics are aggregated from real owner discussions on Reddit, automotive forums, and YouTube comments. All data is anonymized and represents actual repair experiences reported by vehicle owners.

Issues by Vehicle

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Reference Information Only

This is a general OBD-II code reference. We're actively collecting real owner experiences and repair data for this code. Check back soon for vehicle-specific troubleshooting guides.