J & S Auto Center & SMOG

Auto repair shop
Opens at 8:00 AM
4.9 (78 reviews)
8807 Sierra Ave., Fontana, CA 92335

About

J & S Auto Center & SMOG is a trusted provider of emissions testing and smog check services in the city of Fontana, California. Their focus is on ensuring vehicles pass emissions tests and meet California's vehicle inspection standards. Customers often praise the shop for its thorough and efficient testing process, with a reputation for honesty and fair pricing. Their team is experienced in handling emissions-related repairs such as catalytic converter work and O2 sensor replacements. Many reviews highlight the helpful staff and quick service, making it a preferred choice for emissions testing in Fontana. The shop operates seven days a week, making it convenient for vehicle owners to get their smog check or inspection done at their schedule.

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 J & S Auto Center & SMOG to be reliable and efficient for their smog check needs in Fontana. Many appreciate the helpful and knowledgeable staff who makes the process smooth and straightforward. While some note that wait times can vary during peak hours, the overall sentiment reflects satisfaction with fair pricing and professional service. The shop's reputation for honesty and quick testing is a common theme in reviews. Minor concerns about service style may vary, but the consistency in quality and customer care stands out. Overall, clients feel confident returning for future emissions testing and vehicle inspections.

Hours Closed
Mon 8 am–5 pm
Tue 8 am–5 pm
Wed 8 am–5 pm
Thu 8 am–5 pm
Fri 8 am–5 pm
Sat 8 am–5 pm
Sun Closed

Frequently Asked Questions

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

J & S Auto Center & SMOG is located at 8807 Sierra Ave., Fontana, California. You can visit us during our business hours to get your vehicle tested.
We offer smog check, vehicle inspection, OBD-II diagnostics, check engine light diagnosis, and emissions-related repairs like exhaust and catalytic converter services.
Yes, J & S Auto Center & SMOG provides emissions testing and smog check services in Fontana, California, to help ensure your vehicle meets state requirements.
Our hours are Monday through Saturday from 8 am to 5 pm. We are closed on Sundays.
You can contact J & S Auto Center & SMOG by phone at +1 909-822-3055 for appointments or inquiries about our services.
Appointments are recommended but not always required; walk-ins are welcome during our operating hours in Fontana, California.
Service times vary depending on the test or repair needed but generally take around 30 minutes to an hour.
Customers say that the staff is helpful and professional, and they trust the shop for honest and efficient emissions services and vehicle inspections.

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Making the Most of Your Visit to J & S Auto Center & SMOG

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. J & S Auto Center & 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 Fontana, confirm what applies to you before heading to J & S Auto Center & 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. J & S Auto Center & SMOG currently has 78 reviews, which can provide insights into service quality, wait times, and professionalism.

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

Visit Checklist

  • 1
    Verify Certification

    Ensure J & S Auto Center & SMOG 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.