California
San Marcos

High Tech Auto & Smog

Smog inspection station
Opens at 7:00 AM
4.9 (149 reviews)
1620 Grand Ave, San Marcos, CA 92078
Call Now Visit Website

About

High Tech Auto & Smog is a trusted provider of emissions testing services in San Marcos, California. They specialize in smog check services that help vehicles meet California's emissions standards. Customers appreciate the quick, professional testing process and the friendly staff. Many reviews highlight their efficient service, fair pricing, and the clean, comfortable environment. The shop also offers vehicle inspections and diagnostics to identify emissions-related issues. Located conveniently in San Marcos, California, High Tech Auto & Smog focuses on helping drivers pass their smog checks and resolve emissions problems quickly and reliably.

smog check vehicle inspection OBD testing emissions testing San Marcos California

Services Offered

smog check
Vehicle Inspection
OBD-II Diagnostics
Check Engine Light Diagnosis
Catalytic Converter Service
Exhaust Repair
O2 Sensor Replacement

What Customers Say

Review Summary

Customers consistently mention the quick and professional service at High Tech Auto & Smog. Many appreciate the friendly staff and fair prices. While some note that wait times can vary during busy hours, most find the experience smooth. Testimonials highlight the thorough testing process and helpfulness of the team in addressing emissions-related issues. Overall, clients feel confident in the quality and reliability of the service, making it a preferred choice for smog checks and vehicle inspections in San Marcos.

1620 Grand Ave, San Marcos, CA 92078 +1 760-523-4350 Visit Website
Hours Closed
Mon 7 am–5 pm
Tue 7 am–5 pm
Wed • 7 am–5 pm
Thu 7 am–5 pm
Fri 7 am–5 pm
Sat Closed
Sun Closed
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Frequently Asked Questions

Discover quick and comprehensive answers to common questions about our platform, listings, and services.

High Tech Auto & Smog is located at 1620 Grand Ave, San Marcos, California. You can visit our shop during business hours to get your emissions testing or smog check done.
We offer smog check and vehicle inspection services along with diagnostics for emissions problems. Our shop also provides repairs for catalytic converters, exhaust systems, and O2 sensors if needed.
Yes, High Tech Auto & Smog provides emissions testing and smog checks in San Marcos, California. These services help ensure your vehicle meets state emission standards.
Our operating hours are Monday through Friday from 7 am to 5 pm. We are closed on Saturdays and Sundays. Please check our website for any updates or special hours.
You can contact High Tech Auto & Smog by calling +1 760-523-4350. Our staff is available to answer questions and help schedule your smog check appointment.
Walk-ins are welcome, but we recommend scheduling an appointment to ensure prompt service. Our staff can assist you in setting a convenient time for your visit.
Most services, including smog checks and inspections, typically take about 20 to 30 minutes. Complex repairs or diagnostics may require additional time.
Customers value the quick, efficient, and friendly service at High Tech Auto & Smog. Many mention their positive experience with knowledgeable staff and the clean shop environment.

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Making the Most of Your Visit to High Tech Auto & Smog

Choosing the right emissions testing or smog check station in San Marcos, California can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. High Tech Auto & Smog is one of the licensed smog check locations in the area, and preparing properly before your visit can make the process smoother.

Understanding California Smog Check Requirements

Emissions testing and smog check rules in California vary by vehicle type, registration ZIP code, and model year. Since requirements can differ even within San Marcos, confirm what applies to you before heading to High Tech Auto & Smog. Our California emissions testing guide outlines current 2025 rules, exemptions, and testing intervals.

Before Your Smog Check

To help make your emissions test quick and successful, consider preparing the following:

  • Confirm your registration address requires testing.
  • Ensure your check engine light is off and no recent codes have been cleared.
  • Warm up your vehicle by driving 10 to 15 minutes before testing.
  • Bring your registration or renewal notice and a valid photo ID.

Why Reviews Matter

Customer experiences can vary, so reading feedback from other drivers can help you understand what to expect. High Tech Auto & Smog currently has 149 reviews, which can provide insights into service quality, wait times, and professionalism.

"Clear communication and preparation make your smog check easier. Ask High Tech Auto & Smog about wait times, retest policies, or emissions repair services if you have concerns."

Visit Checklist

  • 1
    Verify Certification

    Ensure High Tech Auto & Smog is an active, licensed smog check station in California.

  • 2
    Check Reviews

    Read recent customer feedback from other San Marcos drivers to understand typical wait times and service quality.

  • 3
    Confirm Services

    Call ahead to confirm the types of smog checks and emissions tests offered and whether appointments are required.

  • 4
    Bring Required Documents

    Have your registration or renewal notice, ID, and any required paperwork ready when visiting the station.

  • 5
    Ask About Retest Policies

    Some stations offer discounted or free retests if your vehicle fails. Ask for details up front.

* This guide is for informational purposes only. Always confirm emissions testing requirements and smog check policies with your local California authorities.