

About
HD Quick Check is a CARB Credentialed Clean Truck Check tester providing mobile diesel emissions testing for heavy-duty trucks across Orange County, Los Angeles County, and San Bernardino County. We specialize in on-site OBD testing (2013+ engines) and Opacity/J1667 testing for 2012 and older trucks, helping fleets and independent drivers stay fully compliant with California’s Clean Truck Check (HD I/M) program.
Our mobile service brings certified diesel inspections directly to your yard, jobsite, or home, saving you time, eliminating downtime, and helping you avoid costly CARB fines. With flexible scheduling, same-day appointments, and expert emissions testing, HD Quick Check delivers fast, reliable, and compliant service backed by professionalism and accuracy.
Our Services
Mobile Clean Truck Check & CARB Compliance Testing
We Come to You!
OBD Testing (2013 & newer) • Opacity / J1667 Testing (2012 & older)
Single truck: $110 • Fleets (3+ trucks): $85 each
🚚 Fleet Compliance Testing
Running a business with multiple trucks?
We provide on-site fleet testing to keep your entire operation compliant.
Get quick results, organized reports, and minimal disruption to your routes
🔍 Pre-Inspection Check
Not sure if your truck will pass?
We offer a pre-inspection service to help you catch and fix issues before the official test.
Save time, avoid retests, and keep your trucks running clean.
🕒 After-Hours & Weekend Service
We understand trucking never stops — and neither do we!
Schedule evening or weekend appointments anywhere in Orange County, Los Angeles County, or San Bernardino County.
Convenient mobile service that fits your busy schedule.



