Air Pump

Emissions System

Injects fresh air into the exhaust to reduce emissions.

The air pump supplies fresh air to the exhaust stream to help burn off unburned fuel, reducing emissions and improving the effectiveness of the catalytic converter.

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Typical part cost

$100–$400🔒

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Typical labor cost

$200–$400🔒

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Typically lasts

80,000–150,000 mi

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Or about

4.0–10.0 years

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DIY difficulty

6/10

⚠️ Owners Often Notice

If the Air Pump is starting to fail, these are the signs owners most commonly report before it gets worse:

Failed emissions test

Check engine light

Rough idling

Poor fuel economy

Engine noise

Emission smell