On-site testing in San Jose & the Bay Area.
Diesel trucks • Fleets • Diesel RVs
OBD testing • Opacity & visual inspections
Monday–Saturday: 6 AM–7 PM
Sundays by appointment
Call, text or email to schedule your visit.
Clean Truck Check
Mobile Clean Truck Check Specialists
OBD testing: We connect an approved device to compatible diesel vehicles to collect emissions data.
Opacity & visual inspections: We offer smoke opacity testing and emissions equipment inspections for non-OBD vehicles.
Truck, fleet & diesel RV appointments: We come to your yard or agreed testing location in San Jose and the Bay Area.
To book, call or text your vehicle year, location and number of units. We confirm the appropriate test and appointment details.
Mike's Technical is an independent testing business, not a CARB agency. Testing does not guarantee a passing result.
Fleet Testing at Your Yard
Keep your trucks on site while we handle Clean Truck Check testing.
OBD and opacity testing for individual trucks and fleets throughout the Bay Area.
Call or text to arrange your fleet visit.