CARB Compliance Testing
Full California Air Resources Board emissions and opacity testing. Maintain fleet compliance and avoid CARB penalties.
Clean Truck Check Credentialed Tester
State-credentialed mobile testing for diesel trucks, fleets, and motorhomes. OBD and smoke opacity testing at your yard, warehouse, or job site. Serving San Diego, Los Angeles, Riverside, and the Coachella Valley. After hours and weekends available.

State-credentialed CARB compliance testing for commercial diesel vehicles.
Full California Air Resources Board emissions and opacity testing. Maintain fleet compliance and avoid CARB penalties.
SAE J1667 snap-acceleration opacity measurement with calibrated equipment. Approximately 60 minutes per vehicle.
On-Board Diagnostics emissions verification. 15-20 minute test per vehicle with results transmitted directly to your CTC account.
Volume testing programs for fleets of any size. On-site service with minimal operational downtime. Multi-vehicle scheduling available.
CARB compliance testing for motorhomes and recreational vehicles. Same mobile service, same credentials.
We deploy to your facility anywhere in Southern California — San Diego, Los Angeles, Riverside, and the Coachella Valley.
Test results transmitted directly to your Clean Truck Check portal upon completion. Certificates available immediately.
Independent owner-operators welcome. Single vehicle testing at competitive rates. No minimum fleet size required.
28+ Years in the Industry
State-credentialed mobile compliance testing at your facility.
From initial contact to compliance certificate — streamlined and professional
Provide fleet size, vehicle types, facility location, and preferred testing window.
We confirm a testing date that minimizes your operational downtime — after hours and weekends available.
Our credentialed technician arrives with all required equipment. Results transmit directly to your CTC account.
Compliance certificates are available in your CTC portal immediately upon passing. Print or download anytime.
"Called last minute around 3pm and Hector was able to perform Clean Truck Check testing without issues. Very reliable and knowledgeable and was happy to answer any questions I had. Don't hesitate to reach out and schedule your service."
"LOVE LOVE LOVE. Great service and quality work. 10/10 recommend. Reliable!!"
Over 15 years doing the job right.
Clean Truck Check Credentialed Tester — certified by the State of California. Your results are officially recognized.
We deploy to your facility — yard, warehouse, distribution center, or job site. Zero vehicle transport required.
After hours and weekend availability. Your fleet stays operational during business hours while we handle compliance.
From independent owner-operators to 30+ vehicle fleets. Volume programs and efficient multi-vehicle scheduling.




Serving the entire Coachella Valley.
CARB (California Air Resources Board) requires diesel trucks to pass emissions and smoke opacity tests. We perform certified mobile testing so you stay compliant without leaving your yard.
Pricing depends on fleet size and location. Single trucks start at a competitive flat rate. Fleet discounts available for 5+ trucks. Call for a free quote.
Yes — we are 100% mobile. We come to your yard, warehouse, or job site anywhere in Southern California.
OBD testing takes about 15-20 minutes per truck. OVI (smoke opacity) testing takes about 1 hour. Results are instant.
San Diego, Los Angeles, Riverside, and the entire Coachella Valley including Palm Springs, Indio, Cathedral City, La Quinta, and surrounding areas.
Monday through Friday 4PM-9PM, Saturday and Sunday 7AM-8PM. We work after hours and weekends so your trucks keep running during business hours.
Test results are sent instantly to your Clean Truck Check (CTC) account upon completion. You can print your compliance certificates directly from your CTC portal.
Yes — we test motorhomes and RVs in addition to diesel trucks and fleets. Same mobile service, same convenience.
We provide a detailed report of what needs attention. Once repairs are made, we'll come back for a retest at a discounted rate.
Yes — we are Clean Truck Check Credentialed Testers certified by the state of California.
Professional-Grade Equipment
Calibrated diagnostic tools. State-certified testing procedures.
Send us a message and we'll get back to you within one business day.