IM Clean Truck Check delivers fast, reliable, CARB-compliant mobile inspections across California for semi trucks, diesel fleets, motorhomes, buses, box trucks, and commercial vehicles. Specializing in OBD inspections for 2013+ vehicles and opacity testing for 2012 older( OVI PSIP testing ) diesel trucks, we help fleets stay fully compliant with California Air Resources Board (CARB) regulations. With our Client Access Portal, you can book inspections online, track your inspector in real time, receive automated test reminders, and manage your entire fleet from one intuitive dashboard. Our certified mobile inspectors serve major California trucking hubs including Los Angeles, Fontana, Riverside, Bakersfield, Fresno, Sacramento, Stockton, Tracy, Oakland, Long Beach ports, and surrounding areas. Trusted by owner-operators, fleet managers, logistics companies, and government fleets for fast response, dependable service, and professional compliance support