Smoke Opacity Testing-CARB 1667
Info that is going to be helpful to have for the appointment.
Vehicle Information
Vehicle Identification # (VIN): License Plate #:
Registered Vehicle Owner: Contact Name**:
Contact Email: Contact Telephone #:
*Name of individual, company, or entity that owns the vehicle. **Contact person, if different from the owner.
Engine Family Name (on ECL): Engine Manufacturer:
Engine model: Engine year:
SMOKE OPACITY TESTING – CARB 1667 COMPLIANT- Wager 6500 Equipment
Fast. Mobile. CARB-Compliant.
NorCal CARB Mobile now offers official smoke opacity testing using CARB-compliant SAE J1667 meters — brought directly to your yard or job site.
Stay Compliant with CARB’s Clean Truck Check
If you're operating diesel trucks from 2013 or older, with 2012 or older engines, your vehicles are required to pass:
✅ A Smoke Opacity Test (SAE J1667 / CARB-1667)
✅ A Visual Inspection of emissions equipment
Avoid the shop downtime. Skip the risk of non-compliance.
We make it easy, mobile, and done right.
On-Site Testing Throughout the Sacramento Region
We proudly serve fleet operators, owner-operators, and trucking companies in:
Sacramento
West Sacramento
Roseville
Placerville
Elk Grove
Lodi
Rancho Cordova
Citrus Heights
Folsom
Bay Area
Hayward
Antioch
Tracy
Livermore
Linden
Galt and nearby areas
We come to YOU — with full testing equipment and certified technicians.
What You Get with NorCal CARB Mobile
✅ CARB-certified testers
✅ CARB-1667 (SAE J1667) compliant smoke meters
✅ Visual inspection of emission control systems
✅ Direct results upload to CARB’s CTC-VIS portal
✅ Full compliance documentation
✅ Service tailored to older diesel trucks (2013 and older)
Why It Matters
California’s Clean Truck Check (HD I/M Program) now requires regular compliance testing for non-OBD diesel vehicles. If your trucks don’t pass, you could face:
Costly fines
DMV registration holds
Loss of operating time and revenue
Don’t wait for enforcement. Take action now — and keep your fleet running.
✅ Book Your Smoke Test Today
📞 Call us at 916-890-4427 or schedule your mobile test now at:
www.norcalcarbmobile.com
We’ll coordinate a time that works for your operation and handle everything on-site — quickly, professionally, and fully compliant.
NorCal CARB Mobile — Keeping California fleets clean and road-ready.