Sonora Smog Check & Auto Registration

Smog inspection station
Opens at 9:00 AM
4.5 (225 reviews)
15664 Slover Ave, Fontana, CA 92337

About

Sonora Smog Check & Auto Registration is a provider of smog check services in Fontana, California. They specialize in emissions testing to help vehicles meet state requirements. Customers often recognize their quick and efficient testing process, with many reviews mentioning how easy and fast their services are. The business also offers vehicle inspections and repairs related to emissions issues. Their knowledgeable staff helps guide customers through the inspection and repair options. Located conveniently in Fontana, California, they focus on providing reliable emission testing and related services for local vehicle owners. Their reputation is built on thorough testing and customer satisfaction, making them a trusted source for emissions-related needs in the area.

smog check vehicle inspection OBD testing Fontana California emissions testing

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 generally find Sonora Smog Check & Auto Registration to be efficient and professional. Many appreciate the quick service and helpful staff, with some noting the location's convenience. While some reviews mention busy times, most feel the experience is worthwhile for the pricing and quality. The staff's helpfulness and the thoroughness of the emission tests help to make the process smooth. Customers who need quick smog checks or vehicle inspections often leave satisfied, highlighting the business's reliable services. Slight variations in service style may occur, but overall, customers are pleased with their experience and recommend the shop to others in Fontana, California.

Hours Closed
Mon 9 am–5 pm
Tue 9 am–5 pm
Wed 9 am–5 pm
Thu 9 am–5 pm
Fri 9 am–5 pm
Sat 9 am–2 pm
Sun Closed

Frequently Asked Questions

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

Sonora Smog Check & Auto Registration is located at 15664 Slover Ave, Fontana, California. They are a dedicated emissions testing station offering smog check services.
They provide smog check, vehicle inspection, OBD-II diagnostics, check engine light diagnosis, and emissions-related repairs in Fontana, California.
Yes, Sonora Smog Check & Auto Registration provides smog check services and emissions testing for vehicles in Fontana, California.
Their operating hours are Monday through Saturday from 9 am to 5 pm, and on Saturday until 2 pm. They are closed on Sundays.
You can contact them at +1 909-356-8264 for service inquiries or to schedule an appointment in Fontana, California.
Appointments are not mandatory but recommended to ensure timely service at Sonora Smog Check & Auto Registration in Fontana.
Service times are usually quick, often under 30 minutes, depending on the vehicle and testing volume at the time.
Customers praise their fast, professional, and helpful service, making them a preferred choice for smog check and emissions testing in Fontana, California.

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Making the Most of Your Visit to Sonora Smog Check & Auto Registration

Choosing the right emissions testing or smog check station in Fontana, California can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. Sonora Smog Check & Auto Registration 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 Fontana, confirm what applies to you before heading to Sonora Smog Check & Auto Registration. 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. Sonora Smog Check & Auto Registration currently has 225 reviews, which can provide insights into service quality, wait times, and professionalism.

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

Visit Checklist

  • 1
    Verify Certification

    Ensure Sonora Smog Check & Auto Registration is an active, licensed smog check station in California.

  • 2
    Check Reviews

    Read recent customer feedback from other Fontana 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.