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Oxygen Sensor Replacement Cost

Replace a failed O2 sensor in the exhaust system.

$200 – $500
Typical labor: 30 minutes to 1.5 hours
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Common Symptoms

Check engine light with code P0130 to P0167
Drop in fuel economy
Rough idle
Failed emissions test

What It Is

Oxygen sensors measure how much unburned oxygen is in the exhaust so the computer can fine-tune the fuel mixture.

Why It Matters

A bad sensor wastes fuel and can damage the catalytic converter, which costs much more to replace.

How to Save Money on Oxygen Sensor Replacement

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Frequently Asked Questions

How long do O2 sensors last?
Typically 60,000 to 100,000 miles. They wear gradually rather than failing all at once.

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