Confirm the truck
Dispatch checks model year, VIN details, and whether the vehicle likely needs HD-OBD or OVI smoke testing.
San Diego County · Padres brown & gold
Mobile CARB Smoke Testing for San Diego Fleets
Mobile CARB Clean Truck Check for San Diego County fleets — OBD and OVI smoke opacity testing at your yard. Best fit for 2012 and older diesel trucks that need opacity testing or a documented clean truck compliance path.
$119HD-OBD test for 2013+ diesel trucks when supported.
$219OVI smoke or opacity test for older diesel equipment.
IF530523Tester ID shown for trust, verification, and dispatch clarity.
Fast answers before a truck ever moves.
What test is needed, what it costs in San Diego County, where we go, and how to schedule.
Route the visit
Appointments are grouped by yard, city, and corridor so fleets spend less time moving equipment.
Document the result
After testing, keep the compliance record with your truck files and renewal workflow.
Find the likely test before you call.
Scheduling guide only — not a final compliance determination.
Questions fleets ask before booking.
How much does mobile CARB testing cost in San Diego?
HD-OBD testing is $119 and OVI smoke opacity testing is $219 per vehicle for San Diego County. Fleet routes and multi-truck yards may qualify for bundled scheduling.
Do you come to our yard or job site?
Yes. Mobile appointments at fleet yards, warehouses, contractor lots, farms, and job sites across San Diego County.
Are you the same company as NorCal CARB Mobile?
Sibling brand, same tester network. NorCal covers Northern California. This page is San Diego County only (OBD $119 · OVI $219).
What is the difference between HD-OBD and OVI smoke testing?
HD-OBD reads supported onboard diagnostic data, commonly for 2013+ diesel. OVI smoke / opacity is for older diesel that needs a visible emissions opacity check. See generic OBD and generic OVI pages.