Alto Smog & Tune

Smog inspection station

4.9 4.9 from 103 reviews

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Alto Smog & Tune is a smog and emissions station in West Covina, CA. It holds a 4.9 star rating from 103 customer reviews. Read the reviews and hours below, or call (626) 813-7920.

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Address936 S Glendora Ave #9, West Covina, CA 91790

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Phone(626) 813-7920

Also onGoogle

LicenseCalifornia BAR ARD 203888Active on the state's licensee list (October 2026), registered since 1999 or earlier

Smog checkLicensed smog station, Test Only (203888)

Hours

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Monday	9 AM–5 PM
Tuesday	8:30 AM–5:30 PM
Wednesday	8:30 AM–5:30 PM
Thursday	8:30 AM–5:30 PM
Friday	8:30 AM–5:30 PM
Saturday	8:30 AM–4 PM
Sunday	Closed

Alto Smog & Tune Reviews & Ratings

Customer reviews 4.9 4.9 · 103 reviews

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What Car Repairs Cost in West Covina, CA

Typical independent shop prices at California labor rates, parts and labor, for a midsize car. Each guide shows the price for your vehicle and what to ask before you pay. See all 91 repair cost guides.

Catalytic converter replacement cost $420 to $1,750 Oxygen sensor replacement cost $120 to $510 EVAP leak repair cost $140 to $740 EGR valve replacement cost $210 to $840 Purge valve replacement cost $110 to $460 Exhaust leak repair cost $150 to $690