Schedule CARB's Clean Truck Check testing for trucks, buses, diesel motorhomes, or entire fleets. Our credentialed technicians provide 24/7 mobile service throughout Southern California.

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We Keep You on the Road

About Clean Truck Check Specialist

At Clean Truck Check Specialists, we’re dedicated to keeping California’s roads clean and your fleet fully compliant. As a fully mobile provider of CARB Clean Truck Check testing services, we bring credentialed technicians and expert compliance support directly to you in SoCal. We make it easy and stress-free for fleet operators and vehicle owners alike.

What We Do

We specialize in:

  • On-Board Diagnostics (OBD) Testing for modern diesel and alternative fuel vehicles
  • Smoke Opacity Testing (SAE J1667) for older vehicles
  • Visual Inspections to verify emissions control systems
  • Fleet Compliance Assistance with tracking, scheduling, and reporting
  • Semi-Annual Testing Reminders so you never miss a deadline
  • Expert Regulatory Guidance to help you navigate changing CARB requirements

All of our testing is performed by credentialed Clean Truck Check testers, ensuring your vehicles meet California’s evolving emissions standards.

Why Choose Us?

  • 100% Mobile Testing – We come to your location, saving you time and hassle
  • Southern California Coverage – From Santa Barbara to San Diego, we’ve got SoCal fleets covered
  • Visual Inspections to verify emissions control systems
  • Fleet Compliance Assistance with tracking, scheduling, and reporting
  • Semi-Annual Testing Reminders so you never miss a deadline
  • Expert Regulatory Guidance to help you navigate changing CARB requirements
  • 24/7 Availability – Flexible scheduling options that work around your operations

Our Mission

At Clean Truck Check Specialists, our mission is grounded in the truth of Luke 16:10—“One who is faithful in a very little is also faithful in much.” Because we believe every inspection, whether for a single vehicle or an entire fleet, matters, we commit to delivering fast, accurate, and honest CARB Clean Truck Check testing directly at your location. By honoring this principle, we ensure your compliance needs are met with integrity and excellence.