Clean Truck Check
Welcome to Clean Truck Check, your trusted partner in truck emissions testing and HD I/M inspections. Since 2005, we have been helping truck owners, drivers, and fleet managers with expert-level testing and inspection services. These services help keep trucks running clean and ready for the road. Our job is to make sure your trucks follow the rules of the clean truck program while staying safe and working well. We offer everything from diesel emissions tests to heavy-duty vehicle inspections, all in a clear, simple, and reliable way.
At Clean Truck Check, we help drivers with clean truck check registration, ctc compliance, and getting a valid ctc certificate. Whether you are new to the HD I/M program or have done it before, we guide you through each step. We believe every truck should have fast, affordable, and honest testing—without stress or confusion. Our job is to make your truck inspection simple, smooth, and successful. We also provide clean truck login and hd cleaning services.
Affordable HD I/M and Clean Truck Program
We offer affordable and easy-to-understand services for all kinds of heavy-duty trucks. Our team helps you pass the HD I/M test and meet clean truck check requirements without spending too much money. Whether you need a truck smog check, diesel inspection, or a full truck emissions test, we keep prices fair while still giving expert service. With us, you get real help and honest answers at a price that works for you.The Heavy-Duty Inspection and Maintenance Program (HD I/M) makes sure that trucks help keep the air clean and are safe on the road. We are proud to be part of this program, offering clean air tests, diesel emissions testing, and commercial truck smog checks at places that work best for you. We also offer mobile clean truck check and on-site truck emissions testing, so you do not have to spend time driving to a testing center. Just tell us where your truck is and we will come to you.
Our team explains how to get a clean truck check certificate and helps with every part of ctc registration. If you are not sure how the process works, do not worry. We take the time to explain the steps, so you stay on track with your truck emissions compliance. No hidden fees and no surprises—just clear help from people who care about your business and your trucks. We also provide services in San Jacinto and Temecula .
Renowned Truck Emissions Compliance and Truck Emissions Testing
At Clean Truck Check, we are known for accurate and trusted truck emissions testing. We have helped thousands of trucks pass their diesel emissions test and follow both state and federal rules. Whether it is a semi truck smog check, truck check up, or full heavy-duty truck inspection, our experts are here to do the job the right way. We keep up with all HD I/M requirements so you do not have to worry about changes in the rules.We are a CTC credentialed tester, which means we are officially allowed to give clean truck check testing and provide real CTC certificates. We test all diesel trucks and make sure every part of the emissions inspection follows the law. You can count on us to explain the results clearly and give helpful advice if anything needs to be fixed. We do not just check your truck—we help you get it ready to pass.
For companies with many trucks, we offer easy scheduling, fast service, and simple reporting. Need help logging into the clean truck login or checking your clean truck registry? We can help with that too. From start to finish, we help with ctc compliance, answer your questions, and keep your trucks running clean. Our work is trusted across the trucking world because we know how to keep things professional, clear, and smooth. We also provide diesel truck resource and hd maintenance services.
Trusted By The World's Finest










Why Choose Us?
Licensed and Certified for Clean Truck Check
We are fully licensed and certified to do official Clean Truck Check testing. This means we are trained, approved, and trusted to do HD I/M inspections, diesel emissions tests, and give real CTC certificates. Our team follows all the rules and knows all the Clean Truck Check requirements. You can trust us to give good inspections and help you follow emissions laws. Being certified means we do the job right, so you know your truck is safe with us.
Over 20 Years of Trusted Service Since 2005
Clean Truck Check has been helping truck owners, drivers, and fleets since 2005. With more than 20 years of work in diesel inspections and truck smog testing, we know what you need to pass your test and stay on the road. We have worked with all kinds of trucks and businesses, both small and large. Over time, we’ve built a name that people trust by working hard and giving friendly, expert service.
Clear Help With CTC Compliance and Registration
The Clean Truck Check registration process and getting a CTC certificate can feel hard to do. But we are here to make it easy. We help you through every part of the process. From logging into the Clean Truck Check system to checking the Clean Truck Registry, we are here to guide you. You never need to feel confused—our team explains everything in a way that is easy to understand.
Mobile and On-Site Testing for Your Convenience
We know your time is important. That’s why we offer mobile Clean Truck Check and on-site truck emissions testing. You don’t have to drive far or wait in line. We come to your business, your lot, or wherever your truck is parked. This makes it easy to finish your truck inspection without stopping your work.
Affordable Pricing With No Hidden Fees
We keep our prices fair and easy to understand. If you need a truck smog check, diesel inspection, or a full emissions test, we never add surprise costs. Our prices are clear, and we tell you what you are paying for. You get great service at a price that works for you.
Trusted by Truckers and Fleets Across California
Drivers with one truck and businesses with lots of trucks count on us for emissions testing. Our clean air tests, HD I/M inspections, and CTC compliance services are known across the state. We treat all customers with care, no matter how many trucks they own. Truckers trust us because we do the job right and explain everything clearly.
Fast, Friendly, and Professional Every Time
We believe good service should be friendly, fast, and helpful. Our team is trained to treat you with respect, answer your questions, and make testing easy. We give you your results quickly and explain them in simple words. With us, you never feel rushed or confused. We are here to help.
Happy Clients
FAQs
Is Clean Truck Check licensed to do HD I/M and diesel emissions tests?
Yes, we are fully licensed and certified to do Clean Truck Check services, including HD I/M tests, diesel emissions tests, and CTC certificates. Our inspections follow all Clean Truck Program rules.
What kinds of trucks do you test?
We test all kinds of heavy-duty trucks. This includes diesel trucks, semis, and commercial trucks. It does not matter if you have one truck or a whole fleet—we can help you with testing and inspections.
Do you offer mobile or on-site testing?
Yes, we do. We offer mobile Clean Truck Check and on-site truck emissions testing. This means we can come to your business, your parking lot, or your location. You don’t need to drive to a smog check station.
How do I register for Clean Truck Check and get a CTC certificate?
We help with the whole process. From clean truck check registration to getting your CTC certificate and checking the Clean Truck Registry, we guide you step by step. You don’t have to figure it out alone.
How much does a truck inspection cost?
Our prices are fair and easy to understand. We don’t add hidden fees. The cost depends on what type of truck and test you need, but we always explain the price before we start.
What happens if my truck fails the test?
If your truck does not pass the test, we will tell you why and what needs to be fixed. After you fix the problem, you can take the test again and try to pass to get your Clean Truck Check certificate.
How long does the diesel emissions test or HD I/M test take?
Most tests take less than one hour. We work fast and carefully to give you correct results, so your truck can go back on the road as soon as possible.