We tackle problems that other shops can't

The technicians at C.M.E. Smog & Auto Repair offer advanced diagnostics.  We identify and address the underlying cause of issues affecting drivability instead of simply replacing parts until the problem seems to go away.

C.M.E. Smog & Auto Repair

We fix it right the first time

When your vehicle needs smog testing or maintenance and repairs, C.M.E. Smog & Auto Repair of Vacaville, CA, has the expertise and state-of-the-art diagnostic equipment to get the job done correctly and cost-effectively the first-time.

Our Star-certified technicians provide a wide range of services using the latest technologies, identifying any problems and helping you understand what repairs are necessary. When we diagnose your vehicle’s issues, we address the underlying cause, rather than just fixing the symptoms. Our objective is to enhance drivability, both affordably and professionally.


Our Services

  • STAR-certified smog testing
  • General automotive repair
  • Brakes
  • A/C service & repair
  • Timing belts
  • Diagnostic services
  • And much more...

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Warranties & Free Estimates

  1. Our Customer Car 1 program guarantees workmanship for 90 days/4,000 miles.  Lifetime guarantee on some parts
  2. We also offer a 12-month/12,000 miles guarantee on labor and parts
  3. Remanufactured parts carry a 60-day warranty
  4. Free estimates on repairs

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Thorough Diagnostics, Expert Technicians

C.M.E. Smog & Auto Repair is proud to be a Star-certified Smog Repair Station. To retain our Star certification in California, we undergo monthly monitoring.

Kerry Kernohan, owner of C.M.E. Smog & Auto Repair, has been in the automotive repair business for more than 35 years. Kerry is an ASE-certified master technician and has been certified as a smog technician for more than 25 years. He has extensive experience working on vehicles through dealerships, and he and his team repair all makes and models.

At C.M.E. Smog & Auto Repair, we not only perform high-quality work, but we also provide high-quality customer service, helping you make the most-informed decision possible so you don’t wind up paying a needlessly high car-repair bill.

Customer Reviews

C.M.E. Smog & Auto Repair

148 Peabody Rd
Vacaville, CA 95687

Tel: 770.447.5769

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We help you prioritize any needed repairs

When you bring your car to C.M.E. Smog & Auto Repair for maintenance or repairs, we provide you with an overall, detailed diagnostic report, indicating which parts—if any—need to be replaced, repaired, or maintained. We also help you prioritize any repairs, replacements, or maintenance needs. While some shops will attempt to sell you parts, repairs or services that you might need in 6 months or a year, we help you understand what you need today.

Call us today for more information. 707.447.5769

C.M.E. Smog & Auto Repair provides general automotive repair services from oil changes to transmissions
ASE Certified
STAR Certified - Test & Repair - State of California Licensed