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Best Smog Check in Chicago, IL (2026)
Find smog check specialists near Chicago, IL. Browse verified shops, compare ratings, and get direct contact info.
3 listings·4.4avg rating
Fix
Pete's Auto Service
Chicago, IL
Family-owned auto repair in Chicago since 1993, specializing in quality service and customer satisfaction.
Fix
RJ Mechanic Auto Service
Chicago, IL
Your go-to shop for reliable auto repair and tire services in Chicago.
4.7(88)
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Frequently Asked Questions about Smog Check in Chicago
How much does a smog check cost in Chicago?
Smog check fees in Chicago vary by state and station type — typically $30–$90 for the test. If your vehicle fails, repair costs depend on what triggered the failure; many shops credit the test fee toward repairs.
How do I prepare my car for a smog check?
Drive your vehicle at highway speeds for at least 20 minutes before the test to warm up the catalytic converter. Make sure the check engine light is off, all monitors are ready, and the gas cap is tight.
What happens if my car fails a smog check?
You'll receive a report listing which emissions components failed. Many Chicago smog stations also do repairs, or can refer you to a shop. Some states offer consumer assistance programs if repair costs are high.
Smog Check in Chicago, IL
Due for a smog check in Chicago, Illinois? AutoGnome lists certified smog stations and repair shops that handle both testing and any required repairs. Find a station near you and contact them directly.