Mobile Diesel Opacity (OVI) & OBD Testing • Same-Day Certificates
We work ANY time – nights, weekends & holidays!
Clean Truck Check is California’s mandatory annual emissions program for all diesel trucks over 14,000 lbs GVWR.
Every year you need:
• Diesel Opacity (Smoke) Test
• OBD Computer Scan
We come to you 24/7, test in minutes, and hand you the official certificate — zero downtime.
“Texted at 5 AM – Ivan was at my yard by 6 AM and got me legal before my run. Best service ever!”
“Fast, honest price, and real certificate on the spot. Best in San Diego.”
“Called at 9 PM on Friday night – he came right over and saved my weekend. Lifesaver!”