101 Express Smog - STAR CERTIFIED

Smog inspection station
Opens at 9:00 AM
4.2 (132 reviews)
5320 Old Redwood Hwy N D, Petaluma, CA 94954

About

101 Express Smog - STAR CERTIFIED is a trusted provider of emissions testing in Petaluma, California. They specialize in performing smog check services to help vehicle owners meet state regulations. The facility also offers vehicle inspections, OBD-II diagnostics, check engine light diagnosis, and repairs related to emissions systems such as catalytic converters, exhausts, and O2 sensors. Located conveniently on Old Redwood Hwy N D, their focus is on ensuring vehicles comply with emissions standards. Operating hours are from 9 am to 5:30 pm, Monday through Saturday. They do not provide general auto repair services outside emissions testing and related repairs. Their services are tailored to vehicle owners needing emissions compliance or repairs to fix emissions problems.

smog check vehicle inspection obd testing Petaluma California

Services Offered

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

What Customers Say

Review Summary

Online feedback for this station isn't available yet. Services cover smog checks, vehicle inspections, and emissions-related repairs. Get pricing and availability by contacting them.

Hours Closed
Mon 9 am–5:30 pm
Tue 9 am–5:30 pm
Wed 9 am–5:30 pm
Thu 9 am–5:30 pm
Fri 9 am–5:30 pm
Sat 9 am–5:30 pm
Sun Closed

Frequently Asked Questions

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

101 Express Smog - STAR CERTIFIED is located at 5320 Old Redwood Hwy N D, Petaluma, California. You can visit them during their business hours for emissions testing and vehicle inspections.
They offer smog check services, vehicle inspections, OBD-II diagnostics, check engine light diagnosis, and repairs related to emissions systems such as catalytic converters and exhausts.
Yes, 101 Express Smog - STAR CERTIFIED provides smog check services, which are a type of emissions testing, in Petaluma, California. They focus on assisting vehicle owners with emissions compliance.
Their operating hours are from 9 am to 5:30 pm, Monday through Saturday. They are closed on Sundays.
You can contact 101 Express Smog - STAR CERTIFIED by phone at +1 707-664-9600 or visit their website at http://www.101smog.com/ for more information.
Appointments are not mandatory but recommended. You can visit or call during business hours to schedule or inquire about wait times.
Service times vary but generally take around 30 minutes to an hour, depending on the type of service requested and vehicle condition.
This business does not yet have customer reviews on Google. Contact them directly for information about wait times, pricing, and appointment availability.

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Making the Most of Your Visit to 101 Express Smog - STAR CERTIFIED

Choosing the right emissions testing or smog check station in Petaluma, California can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. 101 Express Smog - STAR CERTIFIED 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 Petaluma, confirm what applies to you before heading to 101 Express Smog - STAR CERTIFIED. 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. 101 Express Smog - STAR CERTIFIED currently has 132 reviews, which can provide insights into service quality, wait times, and professionalism.

"Clear communication and preparation make your smog check easier. Ask 101 Express Smog - STAR CERTIFIED about wait times, retest policies, or emissions repair services if you have concerns."

Visit Checklist

  • 1
    Verify Certification

    Ensure 101 Express Smog - STAR CERTIFIED is an active, licensed smog check station in California.

  • 2
    Check Reviews

    Read recent customer feedback from other Petaluma 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.