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Diverter Valve

Critical For Operation

Emissions System

Diverts air into the exhaust stream to reduce emissions.

The diverter valve works as part of the emissions control system, redirecting air into the exhaust system to reduce emissions and improve catalytic converter efficiency.

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Typical part cost
$50–$150🔒
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Typical labor cost
$100–$300🔒
🛣️
Typically lasts
100,000–200,000 mi
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Or about
7.0–10.0 years
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DIY difficulty
5/10

⚠️ Owners Often Notice

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

Check engine light
Failed emissions test
Poor fuel economy
Increased exhaust emissions
Engine stalling
Loss of power

Related Services

Services commonly performed on or around this part.

Replace Diverter Valve

No standard interval on file

Inspect Diverter Valve

No standard interval on file

Test Diverter Valve

No standard interval on file