Hire a Mobile Smog Testing Expert in Merced, CA

Mobile diesel emissions testing in Merced. Stay CARB-compliant with on-site service, free retests, and fast scheduling. Call Central Valley today!

Book Your Mobile Emissions Test Today

Is your heavy-duty vehicle due for its Clean Truck Check? Whether you manage a single diesel truck or a full commercial fleet, Central Valley Mobile Smog Test brings the solution right to your doorstep. No lines. No downtime. Just fast, professional, CARB-credentialed service that keeps your business moving.

We handle everything—from on-site emissions testing (OBD & Opacity/OVI) to CARB paperwork and registration management—so you can stay focused on running your business, not stressing over compliance.

Mon-Sat: 7.00am – 6.00pm

+1 Years of
Experience

Schedule your test now and experience the fastest mobile smog testing in Merced!

We’re fast, flexible, and local. Whether you need a one-time test or year-round fleet support, we’re ready to help. Send us a message, give us a call, or fill out the form below—we’ll respond quickly and get you rolling.