Ace Smog Center

Smog inspection station
Open · Closes 5:00 PM
4.7 (109 reviews)
4655 N Eagle Rock Blvd, Los Angeles, CA 90041

About

Ace Smog Center is a well-known provider of smog check and emissions testing services in Los Angeles, California. They specialize in vehicle inspections to ensure cars meet environmental standards. Customers often praise their efficient and reliable testing process, which helps determine if vehicles pass or need repairs to meet emissions requirements. The staff is friendly and knowledgeable, making the experience smooth and straightforward. They also offer services that address emissions problems such as catalytic converter, exhaust repairs, O2 sensors, and check engine light diagnostics. The business has a strong reputation for thorough inspections and fair pricing. Whether for regular testing or fixing emissions issues, Ace Smog Center is a go-to choice for vehicle owners in Los Angeles looking for dependable service.

smog check vehicle inspection obd testing Los Angeles 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 Ace Smog Center to be a reliable and efficient place for smog checks and emissions testing. Many reviews mention the quick and professional service, with staff who are helpful and respectful. Some customers highlight the fair prices and thorough inspections, which help avoid unnecessary repairs. A few note that wait times can vary during busy hours, but overall the experience is positive. The team’s friendly attitude and attention to detail make it a popular spot in Los Angeles for vehicle emissions testing. Clients appreciate the honesty and helpful recommendations provided for emissions-related repairs, contributing to high satisfaction levels.

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 am–3 pm
Sun Closed

Frequently Asked Questions

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

Ace Smog Center is located at 4655 N Eagle Rock Blvd, Los Angeles, California.
They offer smog check, vehicle inspection, OBD-II diagnostics, check engine light diagnosis, and emissions-related repairs.
Yes, Ace Smog Center provides smog check and emissions testing services specifically for vehicle compliance in Los Angeles, California.
They are open from 8 am to 5 pm Monday through Friday and from 8 am to 3 pm on Saturday. They are closed on Sundays.
You can contact Ace Smog Center by calling +1 323-255-3753 for appointments or inquiries.
Walk-ins are welcome, but making an appointment can save time. They accommodate both options.
Service times vary but generally take around 30 to 60 minutes depending on the vehicle and the service required.
Customers appreciate the quick, professional, and friendly service at Ace Smog Center, often highlighting their thorough approach and honest recommendations.

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Making the Most of Your Visit to Ace Smog Center

Choosing the right emissions testing or smog check station in Los Angeles, California can save you time, reduce stress, and help ensure your vehicle passes its inspection on the first try. Ace Smog Center 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 Los Angeles, confirm what applies to you before heading to Ace Smog Center. 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. Ace Smog Center currently has 109 reviews, which can provide insights into service quality, wait times, and professionalism.

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

Visit Checklist

  • 1
    Verify Certification

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

  • 2
    Check Reviews

    Read recent customer feedback from other Los Angeles 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.