P0130
O2 Sensor Circuit Malfunction (Bank 1 Sensor 1)
This code means the computer isn't getting the expected signal from the oxygen sensor located before the catalytic converter on the engine's first bank of cylinders. This sensor measures the oxygen content in the exhaust to help the engine run efficiently.
O2 Sensor Circuit Malfunction (Bank 1 Sensor 1)
Common causes
- high
Faulty O2 Sensor (Bank 1 Sensor 1)
The sensor itself may have failed due to age, contamination, or electrical issues, leading to an incorrect or no signal.
Typical part cost: $50-200 part
- medium
Wiring/Connector Issues
Damaged, corroded, or loose wires and connectors to the O2 sensor can interrupt the signal to the PCM.
Typical part cost: $0-100 repair
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First things to check
- 1Visually inspect O2 sensor wiring and connector for damage or corrosion.
- 2Check for exhaust leaks near the Bank 1 Sensor 1 location.
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Related codes
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Frequently asked questions
Can a P0130 code cause my car to fail emissions?
Yes, a P0130 code indicates an issue with a critical emissions component, and your vehicle will likely fail an emissions test until it's resolved.
Is it expensive to fix a P0130 code?
The cost varies, but often it's just a faulty oxygen sensor, which is a moderately priced part. Wiring issues can be cheaper, while PCM failure is much more expensive.
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