99 Smog And Tune Up

No. 99 Smog And Tune Up is not STAR certified. If your DMV renewal notice says "STAR Station Required," you will need to visit a STAR certified station instead.

No. 99 Smog And Tune Up 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.

99 Smog And Tune Up is open Monday 8 AM to 5 PM; Tuesday 8 AM to 5 PM; Wednesday 8 AM to 5 PM; Thursday 8 AM to 5 PM; Friday 8 AM to 5 PM; Saturday 8 AM to 12 PM. Closed Sunday. Hours can change on holidays, so call ahead if you are cutting it close.

Yes. 99 Smog And Tune Up accepts walk-ins, so you can drive in without booking ahead.

99 Smog And Tune Up accepts Credit Card, Debit Card, NFC/Contactless.

Google lists the following accessibility features at 99 Smog And Tune Up: wheelchair accessible entrance, wheelchair accessible parking, wheelchair accessible restroom.

99 Smog And Tune Up has held a BAR smog license since 2005. You can verify the license status at bar.ca.gov.

99 Smog And Tune Up 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 (530) 846-4442 for a quote.

99 Smog And Tune Up does not take online bookings here, but walk-ins are welcome. Call (530) 846-4442 to check the wait.

Staff at 99 Smog And Tune Up 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 99 Smog And Tune Up 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 Gridley are First Choice Smog (0.2 mi) and Gridley Smog And Auto Repair (0.8 mi). Both are listed further up this page with their ratings and hours.