--- title: "Clean Truck Check Testers in Moreno Valley, CA (16 listed)" description: "Find 16 CARB-credentialed Clean Truck Check testers in Moreno Valley, Riverside County: 14 offer mobile testing, 8 do smoke opacity tests. Phone numbers…" url: "https://ctcfinder.com/testers/riverside-county/moreno-valley/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Moreno Valley, CA 16 testing businesses in Moreno Valley (Riverside County) are on CARB's public Clean Truck Check tester list (17 credentialed testers). 14 offer mobile testing, 8 do smoke opacity tests, 10 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 Moreno Valley - **[RoadWrench Diesel](https://ctcfinder.com/tester/roadwrench-diesel-moreno-valley/)** — 25029 Graduar Ct, Moreno Valley, CA 92557 — (951) 501-3603. Services: mobile testing, OBD testing. - **[Christopher Escobar](https://ctcfinder.com/tester/christopher-escobar-moreno-valley/)** — Moreno Valley, CA 92555 — (213) 309-0514. Services: mobile testing, OBD testing. - **[Credentialed tester in Moreno Valley](https://ctcfinder.com/tester/credentialed-tester-in-moreno-valley-moreno-valley/)** — 14025 Moreno Beach Dr, Moreno Valley, CA 92555 — (909) 255-6020. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[EL Diesel CARB Check](https://ctcfinder.com/tester/el-diesel-carb-check-moreno-valley/)** — 26480 Coconut Ln, Moreno Valley, CA 92555 — (909) 786-8195. Services: mobile testing, OBD testing, motorhome testing. - **[Greenzzly Mechanical, Moreno valley/Riverside ca](https://ctcfinder.com/tester/greenzzly-mechanical-moreno-valley-riverside-ca-moreno-valley/)** — 15606 Granada Dr, Moreno Valley, CA 92551 — (951) 855-2291. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Inland Empire Clean Truck Check](https://ctcfinder.com/tester/inland-empire-clean-truck-check-moreno-valley/)** — 24125 Groven Ln, Moreno Valley, CA 92557 — (310) 948-5481. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Mojica Smog & Tires](https://ctcfinder.com/tester/mojica-smog-and-tires-moreno-valley/)** — 21866 Alessandro Blvd, Moreno Valley, CA 92553 — (951) 514-0069. Services: OBD testing. - **[On-Site Truck Compliance](https://ctcfinder.com/tester/on-site-truck-compliance-moreno-valley/)** — 10180 Caribou Cir, Moreno Valley, CA 92557 — (840) 228-1456. Services: mobile testing, OBD testing. - **[Raphael Garcia Jr.](https://ctcfinder.com/tester/raphael-garcia-jr-moreno-valley/)** — Moreno Valley, CA 92557 — (909) 994-1490. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Raymond Barnes](https://ctcfinder.com/tester/raymond-barnes-moreno-valley/)** — Moreno Valley, CA 92557 — (951) 732-3526. Services: mobile testing. - **[RDR Diesel](https://ctcfinder.com/tester/rdr-diesel-moreno-valley/)** — 15356 Aguila Pass, Moreno Valley, CA 92555 — (951) 534-3952. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Salazar Clean Truck Check Testing](https://ctcfinder.com/tester/salazar-clean-truck-check-testing-moreno-valley/)** — Moreno Valley, CA 92551 — (714) 623-1421. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Stop-N-Go Smog](https://ctcfinder.com/tester/stop-n-go-smog-moreno-valley/)** — 22425 Alessandro Blvd, Moreno Valley, CA 92553 — (657) 461-7265. Services: OBD testing. - **[Sure-Scan Inc](https://ctcfinder.com/tester/sure-scan-inc-moreno-valley/)** — 24036 Mount Russell Dr, Moreno Valley, CA 92553 — (909) 240-8351. Services: mobile testing, OBD testing, motorhome testing. - **[The Smog Shop](https://ctcfinder.com/tester/the-smog-shop-moreno-valley/)** — 24759 Sunnymead Blvd, Moreno Valley, CA 92553 — (951) 232-2874. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Yashilara 360 Solutions](https://ctcfinder.com/tester/yashilara-360-solutions-moreno-valley/)** — 28882 Brodiaea Ave, Moreno Valley, CA 92555 — (424) 394-6692. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## More testers within 20 miles - **[Apx Road Service Inc Diesel Repair & Programming](https://ctcfinder.com/tester/apx-road-service-inc-diesel-repair-and-programming-morenovalley/)** — 11875 Pigeon Pass Rd steb13135, Morenovalley, CA 92557 — (951) 287-6804 — 4 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Not Your Uncles Diesel Mobile Repair](https://ctcfinder.com/tester/not-your-uncles-diesel-mobile-repair-riverside/)** — 10498 Wells Avenue, Riverside, CA 92555 — (951) 660-2025 — 5 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[aguilares LLC](https://ctcfinder.com/tester/aguilares-llc-perris/)** — 2066 Willowbrook Ln, Perris, CA 92571 — (949) 245-4300 — 6 mi. Services: OBD testing. - **[All Smogged Motors](https://ctcfinder.com/tester/all-smogged-motors-perris/)** — 425 W Rider St Suite B 3, Perris, CA 92571 — (951) 790-2232 — 6 mi. Services: mobile testing, OBD testing, motorhome testing. - **[California Emission Solutions llc](https://ctcfinder.com/tester/california-emission-solutions-llc-perris/)** — 3645 Alhambra Ln, Perris, CA 92571 — (951) 990-4074 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Faisal Bhuiyan](https://ctcfinder.com/tester/faisal-bhuiyan-perris/)** — Perris, CA 92571 — (909) 561-2872 — 6 mi. Services: mobile testing, OBD testing. - **[HD Smog Pro LLC](https://ctcfinder.com/tester/hd-smog-pro-llc-perris/)** — 2197 Murrieta Rd, Perris, CA 92571 — (951) 664-2574 — 6 mi. Services: mobile testing, motorhome testing. - **[Inland Empire Diesel Smog](https://ctcfinder.com/tester/inland-empire-diesel-smog-perris/)** — 1133 Moraga Ave, Perris, CA 92571 — (562) 310-0036 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[O&J Mobile Mechanics LLC](https://ctcfinder.com/tester/o-and-j-mobile-mechanics-llc-perris/)** — 1902 Neptune Dr, Perris, CA 92571 — (951) 591-9827 — 6 mi. Services: mobile testing, OBD testing. - **[Speedy Auto Smog](https://ctcfinder.com/tester/speedy-auto-smog-perris/)** — 45 E Morgan St suite 1, Perris, CA 92571 — (951) 943-7733 — 6 mi. Services: mobile testing, OBD testing, motorhome testing. - **[The Diesel Doc LLC](https://ctcfinder.com/tester/the-diesel-doc-llc-perris/)** — 3945 Coral Haven Ct, Perris, CA 92571 — (323) 781-0130 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[City of Redlands](https://ctcfinder.com/tester/city-of-redlands-redlands/)** — 1270 W Park Ave, Redlands, CA 92373 — (909) 848-0967 — 6 mi. Services: OBD testing, smoke opacity (non-OBD) testing. ## Trucking in Moreno Valley Moreno Valley has some of the largest single warehouses in Southern California along the 60 and I-215. 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. Riverside County includes the western Inland Empire logistics corridor (Riverside, Jurupa Valley, Moreno Valley, Perris) and the Coachella Valley. 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 Moreno Valley? CTC Finder lists 16 testing businesses in Moreno Valley from CARB's public tester list (17 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 Moreno Valley? Yes. 14 listed businesses in Moreno Valley 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 Moreno Valley? 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 - [Colton](https://ctcfinder.com/testers/san-bernardino-county/colton/) — 15 listings, 8 mi - [Perris](https://ctcfinder.com/testers/riverside-county/perris/) — 18 listings, 9 mi - [Redlands](https://ctcfinder.com/testers/san-bernardino-county/redlands/) — 8 listings, 9 mi - [Nuevo](https://ctcfinder.com/testers/riverside-county/nuevo/) — 3 listings, 10 mi - [Riverside](https://ctcfinder.com/testers/riverside-county/riverside/) — 48 listings, 11 mi - [Beaumont](https://ctcfinder.com/testers/riverside-county/beaumont/) — 8 listings, 13 mi - [Yucaipa](https://ctcfinder.com/testers/san-bernardino-county/yucaipa/) — 8 listings, 13 mi - [Highland](https://ctcfinder.com/testers/san-bernardino-county/highland/) — 5 listings, 14 mi - [Bloomington](https://ctcfinder.com/testers/san-bernardino-county/bloomington/) — 8 listings, 14 mi - [Jurupa Valley](https://ctcfinder.com/testers/riverside-county/jurupa-valley/) — 18 listings, 15 mi