California
Modesto

A-1 Auto Services & Smog

Smog inspection station
Opens at 8:30 AM
4.9 (69 reviews)
431 W Hatch Rd, Modesto, CA 95351
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About

A-1 Auto Services & Smog is a provider of emissions testing and smog check services in Modesto, California. They specialize in performing thorough smog checks to ensure vehicles meet state requirements. The business also offers vehicle inspection services, emissions-related repairs such as catalytic converter and exhaust work, and diagnostics for check engine lights and OBD-II systems. Located at 431 W Hatch Rd, they serve customers seeking reliable emissions testing in Modesto. The facility focuses on vehicle emissions compliance and repairs that address emissions problems. Their services are designed to help vehicle owners meet California emissions standards efficiently while providing detailed diagnostics and repairs when needed.

smog check vehicle inspection obd testing California emissions Modesto California

Services Offered

smog check
Vehicle Inspection
OBD-II Diagnostics
Check Engine Light Diagnosis
Emissions-related repairs

What Customers Say

Review Summary

This shop is new to online reviews. They handle smog certifications, emissions checks, and vehicle inspection services. Contact for current pricing and wait time estimates.

431 W Hatch Rd, Modesto, CA 95351 +1 209-572-1894
Hours Closed
Mon 8:30 am–5:30 pm
Tue 8:30 am–5:30 pm
Wed • 8:30 am–5:30 pm
Thu 8:30 am–5:30 pm
Fri 8:30 am–5:30 pm
Sat 9 am–3:30 pm
Sun Closed
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Frequently Asked Questions

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

A-1 Auto Services & Smog is located at 431 W Hatch Rd in Modesto, California. You can visit them during their business hours or contact them for more information.
The services offered include smog check, vehicle inspection, OBD-II diagnostics, check engine light diagnosis, and emissions-related repairs such as catalytic converter and exhaust work.
Yes, A-1 Auto Services & Smog provides emissons testing and smog check services in Modesto, California, along with repairs to address emissions issues.
Their operating hours are Monday to Friday from 8:30 am to 5:30 pm, and on Saturday from 9 am to 3:30 pm. They are closed on Sundays.
You can contact A-1 Auto Services & Smog by phone at +1 209-572-1894 for appointment scheduling and inquiries.
Appointments are recommended but not always necessary. It is best to call ahead during peak hours to confirm availability.
Service times vary depending on the specific service, but generally smog check and diagnostics can take about 30 minutes to an hour.
This business does not yet have customer reviews on Google. Based on their listing, they offer smog check and vehicle inspection services, as well as diagnostics and emissions-related repairs. Contact them directly for information about wait times, pricing, and appointment availability.

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Making the Most of Your Visit to A-1 Auto Services & Smog

Choosing the right emissions testing or smog check station in Modesto, California can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. A-1 Auto Services & 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 Modesto, confirm what applies to you before heading to A-1 Auto Services & 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. A-1 Auto Services & Smog currently has 69 reviews, which can provide insights into service quality, wait times, and professionalism.

"Clear communication and preparation make your smog check easier. Ask A-1 Auto Services & Smog about wait times, retest policies, or emissions repair services if you have concerns."

Visit Checklist

  • 1
    Verify Certification

    Ensure A-1 Auto Services & Smog is an active, licensed smog check station in California.

  • 2
    Check Reviews

    Read recent customer feedback from other Modesto 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.