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Clean Truck Check Credentialed Tester

CARB Compliance Testing On-Site, On Your Schedule

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.

Credentialed certification
28+
Years Experience
100%
Mobile Service
15min
OBD Test
60min
OVI Test

Testing Services

State-credentialed CARB compliance testing for commercial diesel vehicles.

CARB Compliance Testing

Full California Air Resources Board emissions and opacity testing. Maintain fleet compliance and avoid CARB penalties.

Smoke Opacity Testing (OVI)

SAE J1667 snap-acceleration opacity measurement with calibrated equipment. Approximately 60 minutes per vehicle.

OBD Diagnostics

On-Board Diagnostics emissions verification. 15-20 minute test per vehicle with results transmitted directly to your CTC account.

Fleet Programs

Volume testing programs for fleets of any size. On-site service with minimal operational downtime. Multi-vehicle scheduling available.

Motorhome & RV Testing

CARB compliance testing for motorhomes and recreational vehicles. Same mobile service, same credentials.

100% Mobile Service

We deploy to your facility anywhere in Southern California — San Diego, Los Angeles, Riverside, and the Coachella Valley.

Instant CTC Certification

Test results transmitted directly to your Clean Truck Check portal upon completion. Certificates available immediately.

Owner-Operator Programs

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.

How we work

From initial contact to compliance certificate — streamlined and professional

  1. 1

    Contact Us

    Provide fleet size, vehicle types, facility location, and preferred testing window.

  2. 2

    We Schedule

    We confirm a testing date that minimizes your operational downtime — after hours and weekends available.

  3. 3

    On-Site Testing

    Our credentialed technician arrives with all required equipment. Results transmit directly to your CTC account.

  4. 4

    Certificates Issued

    Compliance certificates are available in your CTC portal immediately upon passing. Print or download anytime.

What our customers say

J

"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."

— Julian · Google
J

"LOVE LOVE LOVE. Great service and quality work. 10/10 recommend. Reliable!!"

— Jasmin Ruiz · Google

Ready to get started?

Call (760) 574-8203 — free estimates, no obligation.

Call Us

Why Fleet Managers Choose Us

Over 15 years doing the job right.

State Credentialed

State Credentialed

Clean Truck Check Credentialed Tester — certified by the State of California. Your results are officially recognized.

Fully Mobile

We deploy to your facility — yard, warehouse, distribution center, or job site. Zero vehicle transport required.

Minimal Downtime

After hours and weekend availability. Your fleet stays operational during business hours while we handle compliance.

Any Fleet Size

From independent owner-operators to 30+ vehicle fleets. Volume programs and efficient multi-vehicle scheduling.

Ready to get started?

Call (760) 574-8203 — free estimates, no obligation.

Call Us

Where we work

Serving the entire Coachella Valley.

  • Palm Springs
  • Palm Desert
  • Indio
  • Cathedral City
  • La Quinta
  • Rancho Mirage
  • Desert Hot Springs
  • San Diego
  • Los Angeles
  • Riverside
  • San Bernardino

Frequently asked questions

What is CARB clean truck testing?

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.

How much does testing cost?

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.

Do you come to my location?

Yes — we are 100% mobile. We come to your yard, warehouse, or job site anywhere in Southern California.

How long does each test take?

OBD testing takes about 15-20 minutes per truck. OVI (smoke opacity) testing takes about 1 hour. Results are instant.

What areas do you serve?

San Diego, Los Angeles, Riverside, and the entire Coachella Valley including Palm Springs, Indio, Cathedral City, La Quinta, and surrounding areas.

When are you available?

Monday through Friday 4PM-9PM, Saturday and Sunday 7AM-8PM. We work after hours and weekends so your trucks keep running during business hours.

How do I get my certificate?

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.

Do you test motorhomes?

Yes — we test motorhomes and RVs in addition to diesel trucks and fleets. Same mobile service, same convenience.

What happens if my truck fails?

We provide a detailed report of what needs attention. Once repairs are made, we'll come back for a retest at a discounted rate.

Are you a credentialed tester?

Yes — we are Clean Truck Check Credentialed Testers certified by the state of California.

Professional-Grade Equipment

Calibrated diagnostic tools. State-certified testing procedures.

Get in touch

Send us a message and we'll get back to you within one business day.

Hours

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