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Please note that we will be closed on Christmas Day and January 1. We wish you a happy and safe holidays!

Smog Check Near Me — Sunnyvale

STAR-Certified Station • Walk-Ins Welcome

• Fast 10–15 Minute Testing

 

Inside ARCO Gas — 1198 W El Camino Real (at Bernardo Ave), Sunnyvale, CA

Call: (408) 739-0300 

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Now Open Sundays for Smog Checks!
Visit us any day of the week —

8:00 AM to 6:00 PM.

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Ensure your vehicle is California-compliant with fast, affordable smog checks and emissions repairs from Sunnyvale Auto Care. As a STAR-certified smog check station, we provide DMV-approved testing, diagnostics, and emissions system repairs for vehicles of all types.​

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Our Smog & Emissions Services

✅ STAR-Certified Smog Check – Required for vehicle registration renewal

✅ Emissions System Diagnostics – Identify and fix smog-related issues

✅ Check Engine Light Diagnosis – Address problems affecting emissions

✅ Emission Control Repairs (Catalytic Converter, Oxygen Sensor, EVAP) – Fix faulty catalytic converters, oxygen sensors, and EVAP systems

✅ Pre-Test Smog Inspection – Avoid smog test failures with a preliminary check

✅ Exhaust System Repair – Reduce engine noise, increase fuel efficiency

✅ Catalytic Converter – Stay compliant with emissions standards

✅ Oxygen Sensor Diagnostics – Improve mileage and reduce pollution

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🛠️ We Smog All Types of Vehicles

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  • Sedans & Compact Cars

  • Diesel Cars

  • SUVs & Minivans

  • Pick-ups & Small Trucks

  • Full-size Vans & RVs

  • Heavy-Duty Trucks

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What to expect (quick visit)

 

  1. Pull into ARCO (El Camino & Bernardo) and park near the smog bay.

  2. Bring your registration/DMV notice and payment method.

  3. We’ll complete the emissions test in ~10–15 minutes.

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Amenities

 

  • Clean waiting area with Wi-Fi

  • Walk-ins welcome, easy in & out

  • Spanish-speaking staff

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✅ We Run All Types of Smog Tests

  • Regular Smog Check

  • STAR Smog Certificate

  • Smog Test Only Certificate

  • Diesel Smog Test Certificate

  • Change of Ownership

  • Out of State Registration

  • Gross Polluters

📅 Call (408) 739-0300 or Just Walk In – No Coupon Printout Needed!

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Why Choose Us?

  • STAR-Certified Smog Station — DMV-approved testing

  • Fast service — typical tests in 10–15 minutes

  • Open daily — including Sundays for smog checks

  • Walk-ins welcome — appointments optional

  • Easy access & parking — inside ARCO at El Camino & Bernardo

  • Hablamos Español

  • Competitive Pricing & Special Discounts

  • Certified Technicians for Emissions Repair


💻 Free Wi-Fi Available in Clean Waiting Room

📅 Schedule Your Smog Check Today! Book Online.

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❓ Smog Check FAQs

Q: How do I know if I need a smog check?
A: Most vehicles in California require a smog check every 2 years.

You’ll be notified by the DMV.

Q: Are you open Sundays?

A: Yes—Sunday smog checks available.

Q: What if my vehicle fails the smog test?
A: We provide diagnostics and emissions repair services

to help you pass retesting.

Q: Can I make an appointment?
A: Yes, but it’s not required! Walk-ins are always welcome.

Q: Can a bad exhaust affect fuel economy?A: Yes—exhaust leaks or a failing catalytic converter can reduce mileage and increase emissions.

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📞 Call (408) 739-0300 or Book Online today.

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