--- title: "Clean Truck Check Testers in Chino, CA (9 listed)" description: "Find 9 CARB-credentialed Clean Truck Check testers in Chino, San Bernardino County: 9 offer mobile testing, 2 do smoke opacity tests. Phone numbers, services…" url: "https://ctcfinder.com/testers/san-bernardino-county/chino/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Chino, CA 9 testing businesses in Chino (San Bernardino County) are on CARB's public Clean Truck Check tester list (9 credentialed testers). 9 offer mobile testing, 2 do smoke opacity tests, 5 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 Chino - **[Am Mobile Carb Testing](https://ctcfinder.com/tester/am-mobile-carb-testing-chino/)** — 12872 Hampshire Pl, Chino, CA 91710 — (909) 306-6039. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Earnest Enterprises, llc](https://ctcfinder.com/tester/earnest-enterprises-llc-chino/)** — 4313 Terry St, Chino, CA 91710 — (909) 821-5351. Services: mobile testing, OBD testing, motorhome testing. - **[JTR Motorsports](https://ctcfinder.com/tester/jtr-motorsports-chino/)** — 13745 Seminole Dr, Chino, CA 91710 — (951) 295-7295. Services: mobile testing, OBD testing, motorhome testing. - **[Mc Cargo Logistics inc](https://ctcfinder.com/tester/mc-cargo-logistics-inc-chino/)** — 13880 Monte Vista Ave, Chino, CA 91710 — (626) 362-0375. Services: mobile testing, OBD testing. - **[Purnaba Zala](https://ctcfinder.com/tester/purnaba-zala-chino/)** — Chino, CA 91710 — (909) 283-5602. Services: mobile testing. - **[Rick Aguilar](https://ctcfinder.com/tester/rick-aguilar-chino/)** — Chino, CA 91710 — (909) 358-8942. Services: mobile testing, OBD testing. - **[Rokstad Power -Chino](https://ctcfinder.com/tester/rokstad-power-chino-chino/)** — 14055 Laurelwood Pl, Chino, CA 91710 — (510) 395-6746. Services: mobile testing, OBD testing, motorhome testing. - **[So Cal Reputable Testing](https://ctcfinder.com/tester/so-cal-reputable-testing-chino/)** — 13085 Central Ave Suite 4, Chino, CA 91710 — (909) 261-4260. Services: mobile testing, OBD testing. - **[Tengfei Transportation INC](https://ctcfinder.com/tester/tengfei-transportation-inc-chino/)** — 11605 Monte Vista Ave #A, Chino, CA 91710 — (626) 905-9677. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## More testers within 20 miles - **[Aaron Davis -CLEAN TRUCK MOBILE TESTERS](https://ctcfinder.com/tester/aaron-davis-clean-truck-mobile-testers-ontario/)** — 2632 E Harlow Ln, Ontario, CA 91762 — (310) 345-7661 — 4 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Avid Smog, Inc](https://ctcfinder.com/tester/avid-smog-inc-ontario/)** — 1409 W Holt Bl, Ontario, CA 91762 — (909) 292-6926 — 4 mi. Services: mobile testing, OBD testing. - **[Brian Tran](https://ctcfinder.com/tester/brian-tran-ontario/)** — Ontario, CA 91762 — (714) 417-3611 — 4 mi. Services: OBD testing. - **[Carlos Pinal](https://ctcfinder.com/tester/carlos-pinal-ontario/)** — Ontario, CA 91762 — (626) 620-3167 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Chevez Wilber](https://ctcfinder.com/tester/chevez-wilber-ontario/)** — Ontario, CA 91762 — (323) 448-5771 — 4 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Gl Welding and Repair](https://ctcfinder.com/tester/gl-welding-and-repair-ontario/)** — 1525 S Briar Av, Ontario, CA 91762 — (626) 374-3357 — 4 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Juan Zamora](https://ctcfinder.com/tester/juan-zamora-ontario/)** — Ontario, CA 91762 — (909) 331-9442 — 4 mi. Services: mobile testing, OBD testing. - **[Ontario Smog](https://ctcfinder.com/tester/ontario-smog-ontario/)** — 152 N Mountain Av, Ontario, CA 91762 — (951) 473-0405 — 4 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Pestrada Clean Truck Check](https://ctcfinder.com/tester/pestrada-clean-truck-check-ontario/)** — Ontario, CA 91762 — (818) 296-7698 — 4 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Raul Martinez](https://ctcfinder.com/tester/raul-martinez-ontario/)** — Ontario, CA 91762 — (818) 426-8244 — 4 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Tony Arellano](https://ctcfinder.com/tester/tony-arellano-ontario/)** — Ontario, CA 91762 — (562) 552-0296 — 4 mi. Services: mobile testing, OBD testing. - **[Waynes Automotve](https://ctcfinder.com/tester/waynes-automotve-ontario/)** — Ontario, CA 91762 — (909) 239-2288 — 4 mi. Services: mobile testing, OBD testing, motorhome testing. ## Trucking in Chino San Bernardino County covers most of the Inland Empire warehouse belt (Fontana, Ontario, Rialto, San Bernardino) and the High Desert along I-15. The Inland Empire holds roughly a billion square feet of warehouse space (Pitzer College estimate), so local fleets and owner-operators run a high volume of tests. Mobile testers who visit distribution centers and truck yards are common here. ## 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 Chino? CTC Finder lists 9 testing businesses in Chino from CARB's public tester list (9 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 Chino? Yes. 9 listed businesses in Chino 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 Chino? 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 - [Ontario](https://ctcfinder.com/testers/san-bernardino-county/ontario/) — 31 listings, 5 mi - [Montclair](https://ctcfinder.com/testers/san-bernardino-county/montclair/) — 3 listings, 5 mi - [Pomona](https://ctcfinder.com/testers/los-angeles-county/pomona/) — 12 listings, 6 mi - [Eastvale](https://ctcfinder.com/testers/riverside-county/eastvale/) — 8 listings, 7 mi - [Upland](https://ctcfinder.com/testers/san-bernardino-county/upland/) — 7 listings, 7 mi - [Claremont](https://ctcfinder.com/testers/los-angeles-county/claremont/) — 4 listings, 9 mi - [Yorba Linda](https://ctcfinder.com/testers/orange-county/yorba-linda/) — 4 listings, 9 mi - [Norco](https://ctcfinder.com/testers/riverside-county/norco/) — 8 listings, 9 mi - [Walnut](https://ctcfinder.com/testers/los-angeles-county/walnut/) — 3 listings, 10 mi - [San Dimas](https://ctcfinder.com/testers/los-angeles-county/san-dimas/) — 4 listings, 10 mi