How to Prepare for a CARB Emissions Test

Step 1: Perform a Pre-Test Inspection

✔ Check OBD system for error codes and resolve any detected issues.

✔ Inspect emissions control devices (EGR, DPF, SCR systems) for proper function.

✔ Confirm no visible smoke is coming from the exhaust.

Step 2: Verify Your Documentation

✔ Ensure your vehicle is registered in the Clean Truck Check system.

✔ Have previous test records available in case of retests.

Step 3: Schedule Your Test at the Right Time

✔ Plan ahead to avoid missing the semi-annual CARB deadline.

✔ Consider mobile on-site testing for fleets to reduce downtime.

Step 4: Keep Your Vehicle Well-Maintained

✔ Regular maintenance prevents compliance failures.

✔ Schedule DPF cleanings, OBD system scans, and filter replacements as needed.

📌 Need to Schedule a CARB Test? Book a Test Now