California
Mission Viejo

M & M Smog

Smog inspection station
Open · Closes 5:00 PM
4.9 (165 reviews)
23253 Madero A114, Mission Viejo, CA 92691
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About

M & M Smog is a smog check provider located in Mission Viejo, California. They specialize in emissions testing and vehicle inspections. Their services include comprehensive smog checks, vehicle inspection, OBD-II diagnostics, check engine light diagnosis, and emissions related repairs such as catalytic converter and exhaust repairs. As a dedicated emissions testing station, they focus on helping customers meet environmental standards. Their facility is equipped to handle various emissions concerns, providing thorough testing to ensure compliance. Operating hours are from 8 am to 5 pm Monday through Friday, with Saturday hours from 8:30 am to 2 pm. They serve the Mission Viejo area with a focus on vehicle emissions and inspection services.

smog check vehicle inspection OBD testing Mission Viejo California emissions testing

Services Offered

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

What Customers Say

Review Summary

This facility doesn't have online reviews yet. They specialize in smog checks, OBD-II testing, and emissions services. Contact them directly for pricing information.

23253 Madero A114, Mission Viejo, CA 92691 +1 949-462-9725 Visit Website
Hours Open now
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 8:30 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.

M & M Smog is located at 23253 Madero A114 in Mission Viejo, California. You can visit their facility during business hours or contact them for more information.
They offer smog check, vehicle inspection, OBD-II diagnostics, check engine light diagnosis, and emissions related repairs including catalytic converter and exhaust services.
Yes, M & M Smog provides emissions testing and smog checks in Mission Viejo, California as part of their services.
Their operating hours are from 8 am to 5 pm Monday through Friday, and on Saturday from 8:30 am to 2 pm. They are closed on Sundays.
You can contact M & M Smog by phone at +1 949-462-9725 or visit their website at http://mm-smog.com/ for more information.
Appointments are not always necessary, but it is recommended to call ahead to confirm availability and reduce wait times.
Service at M & M Smog typically takes around 30 to 45 minutes depending on the specific service required.
Customers rate M & M Smog highly with a 4.9-star average based on 165 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 M & M Smog

Choosing the right emissions testing or smog check station in Mission Viejo, California can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. M & M 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 Mission Viejo, confirm what applies to you before heading to M & M 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. M & M Smog currently has 165 reviews, which can provide insights into service quality, wait times, and professionalism.

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

Visit Checklist

  • 1
    Verify Certification

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

  • 2
    Check Reviews

    Read recent customer feedback from other Mission Viejo 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.