AutoAssist AIAutoAssist AI Get Free Estimate

Oxygen Sensor Replacement Cost

Replace a failed O2 sensor in the exhaust system.

$200 – $500
Typical labor: 30 minutes to 1.5 hours
Get Estimate for Your Car
Parts vs Labor
60% / 40%
Typical share of total cost
Labor Time
30 minutes to 1.5 hours
At a typical shop
Difficulty
Confident DIY
2 of 5
Prices are national averages. Your exact cost depends on your vehicle, location, and shop. Get a free personalized AI estimate above.
Get a price for a specific vehicle

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

Often Done Together

Shops commonly pair oxygen sensor replacement with these jobs to save on overlapping labor:

Catalytic Converter Replacement
$900 – $2,500
Spark Plug Replacement
$100 – $400

Got a Quote from a Local Shop?

Check if your shop quote is fair before paying. Get a free line-by-line AI estimate for your year, make, and model in under a minute, then compare.

Check My Quote Free

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.

Related Repair Costs