--- title: "Clean Truck Check Testers in Corning, CA (4 listed)" description: "Find 4 CARB-credentialed Clean Truck Check testers in Corning, Tehama County: 2 offer mobile testing, 1 do smoke opacity tests. Phone numbers, services and…" url: "https://ctcfinder.com/testers/tehama-county/corning/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Corning, CA 4 testing businesses in Corning (Tehama County) are on CARB's public Clean Truck Check tester list (4 credentialed testers). 2 offer mobile testing, 1 do smoke opacity tests, 2 test motorhomes. > CTC Finder is an independent directory, not affiliated with CARB. Tester data: CARB Clean Truck Check public tester list, last checked November 1, 2026. Confirm services, hours and prices with the tester. ## Testers in Corning - **[McCURDY'S TRUCK REPAIR, INC](https://ctcfinder.com/tester/mccurdys-truck-repair-inc-corning/)** — 23162 South Ave, Corning, CA 96021 — (530) 824-3810. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Mistie Cunningham](https://ctcfinder.com/tester/mistie-cunningham-corning/)** — Corning, CA 96021 — (530) 209-1402. Services: not listed. - **[SmithTruckRepair](https://ctcfinder.com/tester/smithtruckrepair-corning/)** — 23050 Sacramento Rd, Corning, CA 96021 — (530) 424-0888. Services: mobile testing, OBD testing, motorhome testing. - **[Sohal Diesel Repair](https://ctcfinder.com/tester/sohal-diesel-repair-corning/)** — 3525 Highway 99 W, Corning, CA 96021 — (530) 670-9090. Services: mobile testing, OBD testing. ## More testers within 20 miles - **[Beckham Fabrication and Repair](https://ctcfinder.com/tester/beckham-fabrication-and-repair-orland/)** — 7559 State Highway 32, Orland, CA 95963 — (530) 433-4441 — 12 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Mikes Mobile Diesel Smog Check](https://ctcfinder.com/tester/mikes-mobile-diesel-smog-check-orland/)** — 6721 County Road 20, Orland, CA 95963 — (530) 519-5670 — 12 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Ryan Karr](https://ctcfinder.com/tester/ryan-karr-orland/)** — Orland, CA 95963 — (530) 521-1202 — 12 mi. Services: mobile testing, OBD testing, motorhome testing. - **[William Irvin](https://ctcfinder.com/tester/william-irvin-orland/)** — Orland, CA 95963 — (530) 624-0148 — 12 mi. Services: mobile testing, OBD testing, motorhome testing. - **[A&J Fleet Services](https://ctcfinder.com/tester/a-and-j-fleet-services-red-bluff/)** — 332 Pine St, Red Bluff, CA 96080 — (530) 737-8037 — 19 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Andrew Cumpton](https://ctcfinder.com/tester/andrew-cumpton-red-bluff/)** — Red Bluff, CA 96080 — (530) 363-3438 — 19 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Bens Truck & Repair](https://ctcfinder.com/tester/bens-truck-and-repair-red-bluff/)** — 2060 Montgomery Rd, Red Bluff, CA 96080 — (530) 526-3189 — 19 mi. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Bobs tire center](https://ctcfinder.com/tester/bobs-tire-center-red-bluff/)** — 614 Walnut St, Red Bluff, CA 96080 — (530) 529-1612 — 19 mi. Services: OBD testing, motorhome testing. - **[Industrial Technologies LLC](https://ctcfinder.com/tester/industrial-technologies-llc-red-bluff/)** — 859 Washington street # 243, Red Bluff, CA 96080 — (530) 736-3746 — 19 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[JBCT Solutions LLC](https://ctcfinder.com/tester/jbct-solutions-llc-red-bluff/)** — 22165 S Wallen Rd, Red Bluff, CA 96080 — (530) 200-3034 — 19 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## Cost Typical published prices in California: OBD test $50–$135 per vehicle; smoke opacity test $190–$200. Prices are set by each tester. ## Frequently asked questions ### How many Clean Truck Check testers are in Corning? CTC Finder lists 4 testing businesses in Corning from CARB's public tester list (4 credentialed testers), last checked November 1, 2026. Listing on CARB's list is optional, so the real number can be higher. ### Is there mobile Clean Truck Check testing in Corning? Yes. 2 listed businesses in Corning offer mobile testing, which means the tester comes to your yard. Use the Mobile filter above to see them. ### How much does a Clean Truck Check test cost in Corning? Testers set their own prices. Published prices for an OBD test are usually $50–$135 per vehicle; smoke opacity tests for older trucks often cost more, and mobile testers may add a trip fee. See the [cost guide](https://ctcfinder.com/guide/cost/). ### How often does my truck need a Clean Truck Check test? Most trucks test twice a year, on a schedule tied to the DMV registration expiration date. CARB says OBD trucks move to four tests a year beginning October 2027. California-registered (non-commercial) motorhomes and agricultural vehicles test once a year. See the [deadline guide](https://ctcfinder.com/guide/deadlines-2026-2027/). ## Nearby cities - [Orland](https://ctcfinder.com/testers/glenn-county/orland/) — 4 listings, 12 mi - [Red Bluff](https://ctcfinder.com/testers/tehama-county/red-bluff/) — 6 listings, 19 mi - [Chico](https://ctcfinder.com/testers/butte-county/chico/) — 10 listings, 26 mi - [Anderson](https://ctcfinder.com/testers/shasta-county/anderson/) — 7 listings, 37 mi