You can be confident that your vehicle is being inspected by technicians with decades of experience in CA smog check testing.

When in need of a fast, reliable smog check, customers trust our certified team.

What Vehicles Service When You Book Your Star

Certified Smog Check

Diesel-powered vehicles

Regular smog checks for diesel-powered vehicles can reduce anxiety and stress about the potential health impacts of diesel emissions on loved ones and the community

Alternative fuel vehicles

Conducting smog checks on alternative fuel vehicles provides peace of mind by ensuring they truly are as eco-friendly and non-polluting as advertised, thus reinforcing a sense of environmental responsibility

Exempt vehicles

Knowing that your vehicle is exempt from smog checks can provide a sense of relief and ease, eliminating the stress associated with regular emissions testing

Gasoline-powered vehicles

Smog checks for gasoline-powered vehicles help alleviate worries about contributing to air pollution, fostering a sense of doing one's part to protect the environment and public health

Book Now For Your

Certified Smog Check


Why Is It Important To Get Your

Star Certified Smog Check

Getting a SMOG check is crucial for ensuring your vehicle meets California's stringent emissions standards, helping to reduce air pollution and protect public health.

It is mandatory during the initial registration of a vehicle in California, ensuring that all vehicles entering the state are compliant. Additionally, biennial inspections are required every two years for vehicles registered in specific areas, as part of the registration renewal process.

This system helps maintain consistent air quality standards across the state, contributing to a healthier environment for everyone.

Here Is What We Inspect When You Come In

Visual Inspection: Checks the presence and condition of emission control components. Ensures no unauthorized modifications have been made.

Visual Inspection: Checks the presence and condition of emission control components. Ensures no unauthorized modifications have been made.

Emissions Test: Measures pollutants coming out of the tailpipe using a dynamometer (for older vehicles) or through the OBD system (for newer vehicles).

How Our 3 - Step Certification Process Works


Performing regular maintenance such as oil changes, air filter replacements, and tune-ups helps keep vehicle emissions in check, while ensuring the engine is warmed up and addressing any "Check Engine" light issues are crucial steps to prepare for a successful smog check


The technician conducts visual, functional, and emissions tests during the smog check to evaluate the vehicle's compliance with emission standards. If your vehicle features an OBD system, the technician will retrieve and analyze diagnostic trouble codes to verify proper system operation and emission control functionality.


If your vehicle passes the smog check, the results will be electronically transmitted to the DMV, and you will receive a certificate of compliance; however, in case of failure, you will receive a Vehicle Inspection Report (VIR) detailing the reasons and must complete repairs and a retest to achieve compliance.

What People Are Saying About Our

Star Certified Smog Check Service

Have questions about your automotive needs?




(323) 366-4096

Need A Quote?

(323) 366-4096


4230 Firestone Blvd, South Gate, CA 90280

15514 Atlantic Ave, Compton, CA 90221


Shop Hours

Mon - Fri: 9:30AM - 5PM

Saturdays: 9AM - 1PM

Sundays: Closed

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