Shop and mobile · Mon–Sat 8am–10pmWest Covina & Fontana · 800-600-3350
What we do

Services

Shop testing in West Covina and Fontana, plus mobile testing at your location.

OBD scan

OBD compliance test

For 2013 and newer diesel engines and 2018 and newer alternative-fuel engines. We plug into the diagnostic port and submit the result to CTC-VIS.

OBD details

Truck at the shop

Smoke opacity and visual inspection

For 2012 and older diesel engines. Opacity snap test plus a visual check. Pre-2018 alternative-fuel engines need the visual inspection only.

Opacity details

Fleet testing

Staged at one yard. Price drops as the truck count goes up, through five trucks at $500.

Fleet page

Deadline help

We confirm engine year, fuel, and whether the truck is California-registered. You still register the vehicle and pay CARB’s annual fee in CTC-VIS.

Who needs a test

Call 800-600-3350