Fast, certified smog checks in Oakdale

Welcome to Monkey's Smog Center. We provide quick, hassle-free emission testing for standard vehicles, diesels, motorhomes, and CARB clean truck inspections.

Comprehensive emission inspection services

State-of-the-art testing equipment and skilled technicians ensure your vehicle passes cleanly and meets California compliance standards.

Standard vehicle smog

Reliable DMV renewal and change-of-ownership smog testing for passenger cars, hybrid vehicles, SUVs, and light trucks.

CARB clean truck check

Certified testing and reporting for heavy-duty commercial vehicles to keep your fleet fully compliant with California regulations.

Diesel vehicle smog

Accurate smog checks for light and medium-duty diesel pickup trucks and utility vans using specialized diagnostic testing.

Motorhome & RV smog

Spacious bays equipped to handle recreational vehicles and motorhomes of all sizes for smooth, dependable inspections.

"Monkey's Smog Center made my inspection fast and completely stress-free. Friendly service, clean station, and got me back on the road in under fifteen minutes!"

Local Oakdale Driver

Your trusted local testing partner

At Monkey's Smog Center, we take pride in honest service, accurate diagnostics, and efficient wait times. Whether you run a commercial fleet or just need a registration renewal, our Oakdale team is ready to help.

Frequently asked questions

Find quick answers about smog tests, vehicle types, preparation, and California regulatory compliance.

Do I need an appointment for a smog check?

Walk-ins are always welcome, but you can contact us in advance to check current wait times or schedule an appointment for heavy-duty fleet inspections.

What should I bring to my smog inspection?

Please bring your California DMV renewal notice or current vehicle registration document to help us process your test quickly.

How long does a standard smog test take?

Most passenger cars, SUVs, and light trucks take approximately 15 to 20 minutes from start to finish.

What is the CARB Clean Truck Check?

It is California's regulatory program requiring non-gasoline heavy-duty vehicles over 14,000 lbs GVWR to undergo regular emissions compliance testing.

Can you test large motorhomes and RVs?

Yes, our facility is equipped with roomy bays designed to safely accommodate and test large RVs and motorhomes.

What happens if my vehicle fails the test?

We provide a comprehensive diagnostic report outlining the failure reasons so your technician can complete the necessary repairs before retesting.

Do you send results directly to the DMV?

Yes, once your vehicle passes inspection, our state-certified system transmits the results electronically to the California DMV immediately.

How often does my vehicle require a smog test?

In California, most gasoline vehicles older than eight model years require a smog check every two years for registration renewal.

Visit us in Oakdale

217 West F Street Oakdale, CA 95361

Opening hours

Monday - Friday: 8:00 AM - 5:30 PM
Saturday: 8:00 AM - 3:00 PM
Sunday: Closed

Contact

(209) 595-6293

monkeysmogcenter@gmail.com

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