Heavy-Duty Diesel Inspection & Periodic Smoke Inspection Programs | California Air Resources Board

diesel trucks on rural road

Heavy-Duty Diesel Inspection & Periodic Smoke Inspection Programs

Back To All Programs

Resources

Legal Document

Heavy-Duty Inspection and Maintenance Program Regulation

Information

HD I/M Tester Training and Examination

Information

HD I/M Background and Requirements

Fact Sheet

HD I/M Periodic Testing Requirements

Fact Sheet

On-Board Diagnostics (OBD) Testing Devices

Legal Document

PSIP Regulation

Fact Sheet

Heavy-Duty Inspection and Maintenance Program Information Fact Sheet

Reports

SAE J1667 Snap Acceleration Smoke Test Procedure for Heavy-Duty Powered Vehicles

Legal Document

Robert H. Wager Co. Inc. Declaration

Legal Document

Red Mountain Engineering Declaration

Legal Document

Beryl Technologies, LLC Declaration

Information

PSIP Booklet (Spanish)

Information

Information

Smoke Test Facilities

Legal Document

Heavy-Duty Diesel Emission Control Label (ECL) Inspection Program Regulation

Information

PSIP Advisory 298- Smoke Testing Compliance