Top Rated Smog Test Shops Serving Napa, CA

If you really care about choosing a quality smog test shop, we’re here for you. Here’s your access to the best smog test shops serving Napa including 94558, 94559 and 94581. These smog test experts provide tailpipe emissions and obd-ii (on-board diagnostics) system, and they also work on pollution control measures, compliance certificates and emissions testing. For 22 years we’ve conducted the most accurate ratings and deepest research of local shops, so you’ll be confident in choosing.

  • Last Updated Jul 08, 2024
  • 8,530 people sourced companies in Auto Smog
    1,449 Verified Auto Smog Customers Surveyed
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Renson Automotive

Renson Automotive offers a variety of repair services to Santa Clara County drivers, including smog tests, brake systems, fuel injections, engine and ...
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Main Services

Auto Repair
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Auto Smog
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Auto - Oil Change
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Additional Services

Complete Range of Auto Repairs, Diagnostics of All Kinds, Maintenance Services, Smog Tests, Air Conditioning Repairs, Transmissions, Timing Belts, Brakes

Coverage Areas

Santa Clara County

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Family Owned
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Walk-Ins Welcome
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Established in 1976
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Appointments Available
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Eric Murguia, President
Expert Contributions
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  • 262
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    1436 White Oaks Road Suite 9, Campbell, CA 95008
    Hours CLOSED NOW
    License:
    302314
    Learn how to choose a Auto Smog and more…

    Diamond Certified Smog Test Shops Serve These Napa ZIP Codes

    94558, 94559, 94581

    Diamond Certified Smog Test Shops In Napa

    Diamond Certified smog test shops serving Napa are rated an average of 4.7 out of 5 stars based on 439 reviews of 15 rated smog test shops.
    Diamond Certified smog test shops in Napa Avg. Star Rating.

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    Napa was founded in 1847, and today, your 80,015 neighbors enjoy dog walking, letterboxing, museum tours, nature photography and cheesemaking. Napans use Diamond Certified smog test shops for smog inspections, diesel smog, vehicle inspection programs, emissions testing, catalytic converters, and more.

    View the Full Diamond Certified Guide to Auto Smog
    Frequently Asked Questions for Auto Smog in Napa, CA
    Q: What are customers of Diamond Certified smog test shops saying about shops in Napa, CA?
    A: Verified Renson Automotive Customer, one of 262
    "I'm satisfied with the work that they've done for me. It's just easy to do business with Dave, the owner. Everyone works very well with each other, and they all show signs of good teamwork." -Tammy H.
    All Survey Responses for Renson Automotive
    Verified Empire Sports West Customer, one of 146
    "They're very professional, have a great attitude, and very good customer satisfaction. They usually do the work based on the customers' needs. They are very flexible with their hours and what a customer requires sometimes. I would definitely recommend them. If they can't fix something, they will try another way to resolve the problem. They always try to find solutions and don't just tell you they can't fix it. " -Alireza G.
    All Survey Responses for Empire Sports West
    Q: What are some of the most popular brands that Diamond Certified smog test shops use when working with Napa residents?
    A: Diamond Certified smog test shops use top-quality brands like Corsa, Spectre Performance, K&N Engineering, MBRP and Banks Power.
    Q: What types of emission limits do smog test shops offer?
    A: Smog test shops typically offer testing for three types of tailpipe emissions: hydrocarbons, nitrogen oxides, and carbon monoxide. Hydrocarbons are unburned fuel particles released into the air, nitrogen oxides cause smog and acid rain, and carbon monoxide is a toxic gas produced from incomplete fuel combustion. Each of these substances is tested to determine the concentration of the emissions and their effect on air quality.
    Q: Can Diamond Certified smog test shops work with MagnaFlow products and similar items so I can get tailpipe emissions in Napa?
    A: Yes, Diamond Certified smog test shops in Napa can work with MagnaFlow products and similar items to get tailpipe emissions.
    Q: What did people search for when they wanted to find the best quality smog test shops in Napa?
    A: Smog Check Requirements
    Inspection And Maintenance (I/M) Program
    Obd-Ii (On-Board Diagnostics) System
    Pollution Control Measures
    Tailpipe Emissions

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