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Clean Air Testing

Clean air testing is important for diesel trucks and heavy-duty vehicles that travel on California roads. Every truck that weighs more than 14,000 pounds must follow the Clean Truck Check rules, also known as the HD I/M (Heavy-Duty Inspection and Maintenance) program. This means the truck must pass regular diesel emissions tests, meet all CTC compliance rules, and get a valid clean truck check certificate. Without it, the truck may face DMV penalties, registration blocks, or costly fines. Our goal is to help you pass the test and stay on the road.

We offer full clean air inspections, covering everything from truck emissions testing and diesel truck smog checks to mobile testing and digital reporting. Whether you’re a fleet owner or an individual driver, our certified team can guide you through the full process. We test your truck, submit your data to the clean truck registry, and make sure you’re in full CTC compliance. Our clean air testing helps protect your truck, your business, and California’s environment. We also provide diesel truck inspection and aircheck services.

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Affordable Clean Truck Check Certificate and Ctc Registration

Getting your clean truck check certificate doesn’t have to be hard or expensive. We make it simple with fast service, clear steps, and expert help. Our team knows the ins and outs of the HD I/M program, and we help you meet all clean truck check requirements. From your first truck smog check to final CTC registration, we’re here to support you. Whether you need a test for one truck or an entire fleet, we offer services that fit your needs and your budget.

We also provide help with how to get a clean truck check certificate, fix issues that cause failures, and make sure your paperwork is submitted on time. You can come to our shop or schedule an on-site truck emissions testing visit. We work with all types of diesel vehicles, including semis and commercial trucks. If you’re looking for a trusted, affordable partner for truck inspection, diesel emissions testing, and CTC compliance, we’ve got you covered. We also provide services in  Arlington and Arnold Heights .

Great Clean Air Car Check – Vehicle Emissions and Diesel

Our clean air car check services are built for diesel and heavy-duty vehicles that need reliable emissions testing. We perform complete checks for diesel trucks, semi trucks, and commercial fleets to meet HD I/M requirements. Every test follows the state’s rules, so you get trusted results every time. If your vehicle passes, we issue your CTC certificate quickly. If not, we guide you through repairs and retesting.

We’re more than just a smog check station — we’re your full truck emissions compliance partner. We help you manage your testing schedule, send results to the clean truck registry, and understand changes to the HD I/M program. With certified technicians, the latest tools, and flexible appointment times, we make clean truck testing easy. Whether you visit us or request mobile clean truck check services, we deliver expert care and fast, dependable results. We also provide truck emissions and heavy-duty truck smog check services.

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Trusted By The World's Finest

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Why Choose Us?

Licensed and Certified Experts

We are fully licensed and certified to do all clean air testing and Clean Truck Check inspections. Our team has CTC credentialed testers who follow California’s HD I/M program rules. This means you get correct and trusted results every time. You can feel safe knowing your truck meets the state rules.

We know your time and money matter. That’s why we offer fast and low-cost clean truck check testing without losing quality. Whether you have one truck or many, we give services that fit your time and budget. This way, you get back on the road quickly.

 

If it is hard to bring your truck to us, we can come to you. Our mobile clean truck check service brings testing right to your place. This saves your time and makes testing easier and faster for you.

 

We help you with every step—how to get a Clean Truck Check certificate, setting up your test, fixing problems if needed, and sending your results to the clean truck registry. Our team answers your questions and gives expert advice.

We use the newest tools and machines for all emissions testing. Our advanced equipment gives exact diesel emissions testing and full heavy-duty vehicle inspections that meet all the rules.

We work well with fleets of any size. We help fleet managers track tests, handle many trucks, and keep certificates up to date. We give reports and help keep your fleet legal and working well.

California’s truck emissions rules can be hard and change a lot. Our team keeps up with all HD I/M program requirements, CTC compliance, and truck regulations. We tell you what to do and keep you updated on new rules or deadlines.

Happy Clients

"Fast, professional, and super friendly team!" Clean Truck Check gave my semi a full inspection and detailed clean in record time. I was back on the road confident and spotless. Highly recommend!
– Mike Johnson
– Mike Johnson
Clean Truck Check is a lifesaver!" They spotted an issue during the safety check that could’ve caused major trouble later. Their crew knows their stuff and the wash made my truck look brand new.
– Laura Martinez
– Laura Martinez
"Excellent service every time." I trust Clean Truck Check to handle multiple trucks with care and consistency. Their combo of inspections and cleanings saves us time and money.
– Kevin Brooks
– Kevin Brooks
"Best truck wash and check-up in town!" Great prices, fast service, and honest feedback. They even cleaned the interior better than some detail shops I’ve tried. Clean Truck Check is my go-to spot now.
– Sarah Thompson
– Sarah Thompson
"Friendly staff and spotless results!" I brought in my work truck for a DOT pre-inspection and wash. Passed the real check with flying colors. Clean Truck Check really delivers what they promise.
– Jamal Wright
– Jamal Wright
"Top-notch service with zero hassle!" I stopped in for a quick inspection, but the crew at Clean Truck Check went above and beyond. They cleaned my truck inside and out and even gave me tips to pass my DOT check easily.
– Brian Ellis
– Brian Ellis
"Reliable, honest, and super clean results!" We send all our company trucks here for monthly inspections and cleaning. The team is always on time, respectful, and does a solid job every single visit.
– Jasmine Patel
– Jasmine Patel
"This place is a hidden gem!" Clean Truck Check gave my rig the best wash it’s had in months. The inspection caught a brake issue I didn’t even know about. These folks really know their trucks.
– Chris Dugan,
– Chris Dugan,
"Great customer service and spotless work!" Our fleet stays clean and compliant thanks to Clean Truck Check. They’re fast, affordable, and always communicate clearly. They’ve made my job easier!
– Angela Reed
– Angela Reed
"They treat every truck like it’s their own!" Whether it’s a quick wash or a full inspection, Clean Truck Check never cuts corners. You can tell they care about safety and keeping your ride in top shape.
– Marcus Hill
– Marcus Hill

FAQs

What is the Clean Truck Check program?

The Clean Truck Check is California’s HD I/M program that needs diesel trucks over 14,000 pounds to pass emissions tests and meet clean air rules.

You get your certificate by scheduling a test with a certified clean truck check tester like us. We do the diesel emissions test and send the results to the clean truck registry if your truck passes.

All diesel trucks over 14,000 pounds, like semi-trucks, commercial trucks, and fleets, must follow the program.

Yes, we offer mobile clean truck check services and can come to your location for on-site truck emissions testing.

If your truck doesn’t pass, we explain why and help you understand the next steps. We can guide you through repairs, retesting, and how to meet the clean truck check standards.

  1. Yes, we help you with everything, including Clean Truck Check registration, submitting forms, and understanding the online clean truck login system.

    1. Any diesel truck over 14,000 pounds that drives in California must take part in the Clean Truck Check or HD I/M testing. This includes semi-trucks, delivery trucks, and other commercial diesel vehicles.