Heavy Duty Truck Smog & CARB Testing Services
California enforces some of the strictest emissions regulations in the country. For commercial fleets operating in or traveling through the state, compliance with the California Air Resources Board (CARB) is not optional—it is a requirement to keep your trucks legally on the road. At Rapid Truck Repair, we provide comprehensive heavy-duty smog testing and CARB compliance services to keep your registration clear and your business moving.
Navigating the new Heavy-Duty Inspection and Maintenance (HD I/M) program—also known as the Clean Truck Check—can be confusing. Our certified technicians make the testing and reporting process seamless, ensuring your diesel vehicles meet all state and federal environmental standards.
Navigating the new Heavy-Duty Inspection and Maintenance (HD I/M) program—also known as the Clean Truck Check—can be confusing. Our certified technicians make the testing and reporting process seamless, ensuring your diesel vehicles meet all state and federal environmental standards.
Comprehensive Emissions & CARB Compliance Services
Whether you are an owner-operator or managing a large logistics fleet, we offer the testing and repair services you need to pass your CARB inspections the first time:
CARB Clean Truck Check (HD I/M) Testing
Certified emissions testing for heavy-duty diesel trucks (over 14,000 lbs GVWR) required for California DMV registration renewal and legal operation within the state.
OBD (On-Board Diagnostics) Scanning
Complete data downloads from your truck’s ECM to verify emissions control system performance and check for hidden fault codes.
Smoke Opacity Testing
Traditional SAE J1667 snap-acceleration smoke tests to measure exhaust particulate matter for older heavy-duty diesel engines.
Emissions System Repairs
If your truck fails its smog check, we don’t just hand you a piece of paper. We offer complete aftertreatment diagnostics, DPF cleaning, EGR valve replacements, and sensor repairs to get your truck back into compliance.
Fleet Compliance Management
We help fleet managers track testing deadlines and submit passing results directly to the CARB database to prevent DMV registration holds.
Why Compliance is Critical
Failing to comply with CARB regulations can result in severe consequences for your business, including:

DMV Registration Blocks
California will deny registration renewals for non-compliant trucks.

Massive Fines
Citations for operating without a valid Clean Truck Check can cost thousands of dollars per vehicle.

Freight Delays
Trucks flagged at weigh stations or border crossings may be delayed or placed out of service.
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Schedule Your CARB Smog Test Today
Don’t wait until your registration is blocked. Keep your fleet compliant and on the road with our fast, accurate testing services.
Call to Schedule Testing: (916) 460-0222 | Email: admin@rapidtruckrepair.net
Call to Schedule Testing: (916) 460-0222 | Email: admin@rapidtruckrepair.net