Clean Truck Check is California's emissions inspection and maintenance program for heavy-duty vehicles. It helps ensure applicable trucks meet California emissions requirements.

An OBD test connects to your truck's onboard computer to check emissions-related information, including system readiness and diagnostic information required for compliance.

Yes. We provide mobile on-site testing and travel directly to your yard or fleet location, helping you avoid unnecessary trips and downtime.

We currently serve fleets throughout Los Angeles County, Orange County, and the Inland Empire. Additional travel fees may apply for locations more than 25 miles from our standard service area.

We can test individual trucks as well as fleets. For larger fleets, contact us for customized scheduling and volume pricing.

Testing time can vary depending on the truck and the number of vehicles being tested. We work efficiently to minimize disruption to your operations.

We typically need the truck's basic information, your location, the number of trucks, and the type of service you are requesting.

No. We come to you. Our mobile service allows testing to be performed at your yard or designated location.

If an issue is identified, we can provide information about the test results and the emissions-related issue detected. Any repairs or mechanical work must be handled by a qualified repair facility.