Smog Check Inspector Training
Smog Check inspector license applicants may complete level 1 and 2 training to meet the prerequisites in order to qualify to take the licensure examination. For more information, refer to the requirements for licensure indicated on the application and the examination handbook.
To find a training class, visit the California Automotive Resource Center.
Level 1 Training - Engine and Emissions Controls Fundamentals - Level 1 training is required for applicants with little or no experience. This training provides students with the knowledge of engine and emission control systems necessary to conduct accurate smog inspections. Successful completion includes the ability to demonstrate minimum levels of competency related to engine and emission control systems. The training is a minimum of 68 hours and must be completed at a BAR-certified school within the last two years.
Applicants may skip level 1 training if they possess any of the following:
- ASE A6, A8, and L1 certifications
- Associate of Arts (AA) or Associate of Science (AS) degree in automotive technology AND one year experience in the engine performance area
- Certificate in automotive technology with a minimum of 720 hours of course work that includes a minimum of 280 hours in the engine performance area AND one year experience in the engine performance area
- Two years of experience in the engine performance area AND completion of BAR Specified Diagnostic and Repair Training within the past five years
- Two years of comparable military experience/training in the engine performance area
Level 2 Training - Smog Check Procedures - Level 2 Training must be completed by all applicants. This training covers Smog Check Program rules, regulations, and procedures. Successful completion includes the ability to demonstrate the minimum levels of competency related to vehicle inspections. The training is a minimum of 28 hours and must be completed at a BAR-certified school within the last two years.
Smog Check inspectors must successfully complete four hours of BAR Inspector Update Training within the last two years to renew their license.
Smog Check Repair Technician Training
Smog Check repair technician license applicants must meet either the certification or education/experience prerequisites in order to qualify to take the licensure examination. Training is not required to qualify for licensure. For more information, refer to the requirements for licensure indicated on the application and the examination handbook.
Smog Check repair technicians must meet the following renewal requirements:
Update Training - Provide proof of successful completion of 16 hours of update training from a BAR-certified training institution within the last two years. Find a training class >
Certification - Possess a valid certification in the categories of Electrical/Electronic Systems (A6), Engine Performance (A8), and Advanced Engine Performance Specialist (L1) from the National Institute for Automotive Service Excellence (ASE). (Please note, ASE certification is not required for licensees who have successfully completed the BAR specified Diagnostic and Repair Training within the last five years.)
Other Training Resources
Smog Check Information Series
- Module 1: California Smog Check Program
- Module 2: How to do a Smog Check
- Module 3: Emission Control System Application Guide
- Module 4: Inspection Procedures for OBD II
- Module 5: Ignition Timing Inspection
- Module 6: Aftermarket Parts
- Module 7: Engine Changes
- Module 8: Exhaust Gas Recirculation System Functional Test
- Module 9: Referee Inspection Services
Inspections and Procedures
- BAR-OIS Tutorials
- Diesel Vehicle Smog Check Inspection
- Hybrid Vehicle Smog Check Inspection
- Low Pressure Fuel Evaporative Test
- Permanent Diagnostic Trouble Codes