Working Hours
  • Mon 7:30AM - 5:00PM
    Tue 7:30AM - 5:00PM
  • Wed 7:30AM - 5:00PM
    Thu 7:30AM - 5:00PM
  • Fri 7:30AM - 5:00PM
    Sat Closed
  • Sun Closed
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805-497-2818 | 901 East Thousand Oaks Blvd Thousand Oaks, CA 91360

Smog Check: Testing and Repairs

Smog Checks in Thousand Oaks

*Please bring your DMV renewal notice indicating a Smog Check is required with you and your Smog Check certificate will be electronically sent to the DMV.

Why Choose Shelley's Precision Auto Center in Thousand Oaks for Your Smog Testing and Repair

  • Specialized smog check service station in Thousand Oaks
  • Smog test and repair options to minimize cost and maximize convenience
  • Smog failure diagnosis with onsite repair and smog retesting
  • State-of-the-art automotive smog repair systems and tools
  • We participate in the California State Free Smog Testing Program
  • Ask about smog repair discounts and coupons

Thousand Oaks's Trusted Source for Smog Testing and Repair

Ask any car or truck owner in Thousand Oaks who they recommend for smog testing and repair, and they will tell you Shelley's Precision Auto Center.

Since 1967, the pro mechanics at Shelley's Precision Auto Center have provided quick smog testing and cost-effective smog repairs when needed. Start a maintenance service plan with us that can help prevent high-cost repairs to your emission system. We are professional, honest, and friendly. For five star, cost conscious smog testing and repair services call Shelley's Precision Auto Center at 805-497-2818 to schedule an appointment today or stop by our location at 901 East Thousand Oaks Blvd in Thousand Oaks, CA, 91360.

What Does Shelley's Precision Auto Center Do During a Smog Check?

We inspect your car or truck's emissions-control equipment to measure the number of pollutants your vehicle is emitting.

First, Shelley's Precision Auto Center will analyze your car or truck's OBD computer system, emissions-control system, and check engine light codes for standard warnings that your emissions system is no longer functioning properly.

Next, we will inspect your car or truck's gas cap, ignition timing, exhaust gas recirculation system, fuel, and evaporative system.

Finally, we will perform a Tailpipe Emissions Inspection which measures the type and quantity of any pollutant emitted from your vehicle's tailpipe.

Did You Pass Your Smog Test?

Great! If your vehicle passes a smog check, Shelley's Precision Auto Center will provide you a vehicle inspection report showing your vehicle's results and will electronically send the smog certificate to DMV.

Discover More About Exhaust Repair Services At Shelley's Precision Auto Center in Thousand Oaks

Machine Work
Inspections & Emissions
Transmission Repair Services


What Our Customers Are Saying

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Absolutely love Shelley's and I am a repeat and ongoing customer! I'm always looking for a place that I feel comfortable going to on my own without my fiance as I'm not mechanically savvy and this is it! Christy, who is at the front desk and keeps this place running is so warm and welcoming. She does her job well and is always moving whether it is answering phone calls or managing all the different keys and customers. She remembered me after my first visit! The mechanics here are trustworthy and do their job well. I've gotten two reasonably priced oil changes and also brought my car in for a tire repair and I'm very happy with all my interactions at Shelley's. I would suggest making an appointment or dropping off your car because this place IS BUSY. If you are doing a walk in expect to wait a couple of hours, but otherwise I will definitely be back for all my car related concerns!

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Christy, who runs the front of the shop, is the best. I needed to get my car smog checked. The problem was I had a check engine light. Shelley's did a diagnosis and was able to clear the check engine, but the codes would still not pass. We were able to assess the problem that could have been $$$ in parts and labor for a catalytic converter, but there was an alternative to flush out the codes for an indefinite amount of miles. I checked once a week before work at Shelley's to see if it my car cleared. Every time, denied. Then my check engine light went on again! Hope was lost. I gave up going to Shelley's for months. Until today. When I got in my car and was heading to work the check engine light was off. I immediately went to Shelley's. The codes were clean! We ran the smog and passed. I am legit on the road again. Thanks for your persistence with me Shelley's! I'll be a lifetime customer.

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Again and again, the people at Shelley's rock it! Had to get a car ready for a big 2500 mile trip to NC. Needed brakes, rotors, AC and general repairs. Is was a lot to do with the time constraints. But as always, the team pulled it off. We could never be more greatful and HIGHLY, and we mean HIGHLY recommend them. Their customer service is outstanding. Now if they could only get rid of those trees on TO Blvd. Can't tell you how many times we've blown by the driveway. But it's worth the u-turn for the best service in Thousand Oaks!

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Fantastic shop. Fair prices, friendly staff, fast and efficient service.

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First of all, Christy is so sweet and gives that added touch to service. We have been going to Shelley's for a long time. They are very honest, reliable and cost efficient. I will never go any other place and will continue to refer my friends. Great job to all the employees at Shelley's!

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By far the best automotive service we've experienced here in the Conejo Valley. From the minute we walk in the door and are greeted by Christy to the time we leave, the customer service, communication, and work done on our vehicles has been exceptional all the way. Paul and Jerry are always willing to talk if you have questions, they are honest in their recommendations and never pushy, their work is high quality, and we've always been able to get in for service in a timely manner. We've been using Shelley's for years now and highly recommend them.

  • ASE (Automotive Service Excellence)
  • NAPA
  • ASE Master Technician
  • Car Care Aware
  • Call Us For Service: 805-497-2818