California
Rancho Cucamonga

Smog Stop

Smog inspection station
Opens at 8:30 AM
4.4 (129 reviews)
8220 Masi Dr Ste # C, Rancho Cucamonga, CA 91730
Call Now Visit Website

About

Smog Stop is a provider of emissions testing and smog check services in Rancho Cucamonga, California. The business specializes in performing accurate smog checks required for vehicle registration and environmental compliance. In addition to smog tests, they offer vehicle inspections and diagnostics to identify emissions-related issues. Their skilled mechanics can also address problems with catalytic converters, exhaust systems, and O2 sensors to help fix emissions problems. Located at 8220 Masi Dr Ste C, they are easily accessible for residents needing thorough emissions testing or vehicle inspection services. Their focus is on ensuring vehicles meet California emission standards and operate efficiently, without offering unrelated auto repair services.

smog check vehicle inspection OBD testing Rancho Cucamonga 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

This testing facility hasn't received reviews yet. Services offered are smog checks, emissions diagnostics, and inspection services. Reach out for appointment and pricing details.

8220 Masi Dr Ste # C, Rancho Cucamonga, CA 91730 +1 909-948-0420 Visit Website
Hours Closed
Mon 8:30 am–5 pm
Tue 8:30 am–5 pm
Wed • 8:30 am–5 pm
Thu 8:30 am–5 pm
Fri 8:30 am–5 pm
Sat 8:30 am–2 pm
Sun Closed
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Frequently Asked Questions

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

Smog Stop is located at 8220 Masi Dr Ste C in Rancho Cucamonga, California. They are open during regular business hours and serve local residents and vehicle owners.
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 system work.
Yes, Smog Stop provides emissions testing and smog check services in Rancho Cucamonga, California. They are equipped to perform state-required smog checks for vehicle registration.
Smog Stop operates from 8:30 am to 5 pm Monday through Friday and from 8:30 am to 2 pm on Saturday. They are closed on Sundays.
You can contact Smog Stop by calling +1 909-948-0420 or visiting their website at http://smogstop.co/ for more information or to schedule an appointment.
Appointments are recommended but not always required. Contact the shop directly to confirm if a scheduling is necessary for your visit.
Service times vary depending on the specific service. Typically, a smog check can be completed within 30 minutes to an hour during scheduled visits.
Customers rate Smog Stop highly with a 4.4-star average based on 129 reviews. Drivers often mention quick service and professional staff. For the latest feedback, check recent reviews on Google or other review platforms.

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Making the Most of Your Visit to Smog Stop

Choosing the right emissions testing or smog check station in Rancho Cucamonga, California can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. Smog Stop 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 Rancho Cucamonga, confirm what applies to you before heading to Smog Stop. 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. Smog Stop currently has 129 reviews, which can provide insights into service quality, wait times, and professionalism.

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

Visit Checklist

  • 1
    Verify Certification

    Ensure Smog Stop is an active, licensed smog check station in California.

  • 2
    Check Reviews

    Read recent customer feedback from other Rancho Cucamonga 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.