Keep It Runnin

Yes. Keep It Runnin is STAR certified with the California Bureau of Automotive Repair, so it can test vehicles the DMV directs to a STAR station, including gross polluters.

No. Keep It Runnin is licensed as a Test & Repair station. This station can run your smog test and, if the vehicle fails, diagnose and repair it in the same shop.

Keep It Runnin is open Monday 8 AM to 6 PM; Tuesday 8 AM to 6 PM; Wednesday 8 AM to 6 PM; Thursday 8 AM to 6 PM; Friday 8 AM to 6 PM; Saturday 8:30 AM to 4 PM; Sunday 8:30 AM to 4 PM. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. Keep It Runnin accepts walk-ins, so you can drive in without booking ahead.

Keep It Runnin accepts Cash, Credit Card.

Keep It Runnin has held a BAR smog license since 2015. You can verify the license status at bar.ca.gov.

Keep It Runnin has not published a price on SmogCheckDeals. The Bureau of Automotive Repair puts the statewide average at $69.16 as of August 2026, about $65 for a 2000-or-newer vehicle and $73 for 1999-or-older, plus the $8.25 certificate fee. Call (408) 245-0078 for a quote.

Keep It Runnin does not take online bookings here, but walk-ins are welcome. Call (408) 245-0078 to check the wait.

Staff at Keep It Runnin speak English.

Bring the car, your registration or DMV renewal notice, and a way to pay. Most smog checks take 15 to 30 minutes, and most visits are closer to 20.

Because Keep It Runnin is a Test & Repair station, it can diagnose and repair the problem in the same shop, then run the free retest within 30 days. If the repair bill is steep, California's Consumer Assistance Program covers up to $1,200 of emissions repairs for qualifying owners.

The closest alternatives in Sunnyvale are Auto Technica Inc (0.5 mi) and Starzz Smog (0.5 mi). Both are listed further up this page with their ratings and hours.