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Catalytic Converter Cleaner

Exhaust System

Chemically removes carbon and deposit buildup from inside the catalytic converter to restore its emission-control effectiveness and flow.

Catalytic converter cleaner is a specialized fuel additive designed to dissolve deposits that accumulate inside the catalytic converter over time. These deposits can reduce the converter's ability to process exhaust gases, leading to poor emissions readings, reduced fuel economy, and diminished engine power. Regular use of this cleaner helps maintain catalytic converter efficiency and can help pass emissions tests.

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Typical part cost
$15–$35🔒
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DIY difficulty
1/10

⚠️ Owners Often Notice

If the Catalytic Converter Cleaner is starting to fail, these are the signs owners most commonly report before it gets worse:

Check engine light
Failed emissions test
Reduced fuel economy
Sluggish acceleration

Related Services

Services commonly performed on or around this part.

Add Catalytic Converter Cleaner

No standard interval on file