How many miles do O2 sensors last?

Typically 60,000-100,000 miles. After that, they become sluggish and trigger slow-response codes.

Should I replace all O2 sensors at once?

Only replace the one that failed. But if all are original and high-mileage, doing them all saves future hassle.

Medium Severity

Emissions System

Upstream O2 sensor on bank 2 responds too slowly.

Common Fix

Replace O2 sensor

Estimated Cost (DIY)

$30 - $100

Aging O2 sensorlikely

Contaminated sensorpossible

Exhaust leakpossible

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How many miles do O2 sensors last?: Typically 60,000-100,000 miles. After that, they become sluggish and trigger slow-response codes.
Should I replace all O2 sensors at once?: Only replace the one that failed. But if all are original and high-mileage, doing them all saves future hassle.

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