Smog Check Program

Information and resources for Smog Check stations, inspectors, and repair technicians


BAR On-Board Diagnostic Inspection System


BAR-97 Emissions Inspection System

Smog Check Manual

Inspection procedures and equipment requirements

Smog Check Reference Guide

Reference information, repair and retest procedures, BAR Referee

On-Board Diagnostic Test Reference

Pass/fail standards, inspecting vehicles with OBD test difficulties

STAR Program

STAR Report Card, eligibility and certification, performance measures