About EZ Clean Truck
On-Site Diesel Smog Checks
Mobile Smog Testing & HD/IM Inspections
EZ Clean Truck specializes in mobile diesel smog testing and Clean Truck Check HD/IM inspections for heavy-duty and commercial trucks throughout Los Angeles, the South Bay, and the San Fernando Valley. We bring the inspection directly to you—whether you’re at a yard, job site, or roadside—saving you time, money, and the hassle of waiting in long lines.
If your diesel truck has a GVWR of 14,000 lbs or more, you’re now required to stay compliant with CARB’s Clean Truck Check Program. That’s where we come in. Our mobile services are fast, professional, and fully CARB-compliant—ensuring your vehicle remains legal and emissions-approved without disrupting your day.

Our Work in Action







Our Value
Driven by Integrity, Focused on Compliance
At EZ Clean Truck Check, we believe great service starts with strong values. Every smog test we perform and every driver we assist reflects our commitment to honesty, reliability, and customer satisfaction.


Founder Lokamart
Why Choose EZ Clean Truck
What Makes EZ Clean Truck Different
We are a locally owned mobile smog testing company built to serve both owner-operators and fleet managers. Our process is simple, our service is honest, and our goal is always to get your truck compliant and back on the road—fast.
No experience required – We guide you through every step.
We come to your location – No downtime, no shop visits.
Same-day service available – Testing 7 days a week.
Proudly serving San Fernando Valley, Los Angeles, and South Bay.
Fully credentialed and CARB-compliant technicians.
We specialize in opacity testing, mobile diesel smart checks, and Clean Truck Check HD/IM inspections. With quick turnaround times and no complicated steps, we make compliance simple and stress-free.
Common Questions
Frequently Asked Questions (FAQs)
The Clean Truck Check (HD/IM) is a CARB program requiring heavy-duty diesel trucks over 14,000 lbs GVWR to undergo regular emissions testing to stay compliant.
All diesel vehicles over 14,000 lbs GVWR operating in California must complete regular smog testing under CARB’s Clean Truck Check HD/IM program.
Emissions tests are required annually, and must be completed within 90 days before your vehicle’s registration expiration date.
We provide mobile diesel smog testing and HD/IM inspections in San Fernando Valley, Los Angeles, and the South Bay.
No. We come to your location—whether you’re at a yard, job site, or parked roadside. No shop visit needed.
Yes. EZ Clean Truck Check is fully credentialed and authorized to perform CARB-compliant HD/IM inspections and mobile diesel smart checks.
We test heavy-duty diesel trucks, including box trucks, day cabs, sleeper cabs, utility trucks, and commercial fleets over 14,000 lbs GVWR.
Most smog inspections take just a few minutes. Our process is fast, efficient, and designed to get you back on the road quickly.
Just have your truck accessible at your location. No prior experience or prep is needed—we handle the entire process for you.
You can call or text (310) 560-4444, or email us at cleantrucksmogtest@gmail.com to schedule your on-site HD/IM test today.