--- title: "Clean Truck Check Testers in El Centro, CA (4 listed)" description: "Find 4 CARB-credentialed Clean Truck Check testers in El Centro, Imperial County: 4 offer mobile testing, 2 do smoke opacity tests. Phone numbers, services and…" url: "https://ctcfinder.com/testers/imperial-county/el-centro/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in El Centro, CA 4 testing businesses in El Centro (Imperial County) are on CARB's public Clean Truck Check tester list (4 credentialed testers). 4 offer mobile testing, 2 do smoke opacity tests, 4 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 El Centro - **[American Diesel Repair](https://ctcfinder.com/tester/american-diesel-repair-el-centro/)** — 702 E Ross Ave, El Centro, CA 92243 — (760) 540-2006. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Anaya Mobile Road Service](https://ctcfinder.com/tester/anaya-mobile-road-service-el-centro/)** — 398 N Earls St, El Centro, CA 92243 — (442) 866-9338. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[El Centro Towing Inc](https://ctcfinder.com/tester/el-centro-towing-inc-el-centro/)** — El Centro, CA 92243 — (442) 200-8719. Services: mobile testing, OBD testing, motorhome testing. - **[Ricardo Lepe](https://ctcfinder.com/tester/ricardo-lepe-el-centro/)** — El Centro, CA 92243 — (760) 791-6779. Services: mobile testing, OBD testing, motorhome testing. ## More testers within 20 miles - **[Alejandro Valenzuela](https://ctcfinder.com/tester/alejandro-valenzuela-calexico/)** — Calexico, CA 92231 — (760) 554-7600 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Brothers Fuel Stop](https://ctcfinder.com/tester/brothers-fuel-stop-calexico/)** — 105 W Cole Blvd, Calexico, CA 92231 — (442) 204-4017 — 6 mi. Services: OBD testing. - **[Ev Logistics LLC](https://ctcfinder.com/tester/ev-logistics-llc-calexico/)** — 413 Rood Rd, Calexico, CA 92231 — (442) 367-6600 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Imperial Smog Check](https://ctcfinder.com/tester/imperial-smog-check-calexico/)** — 627 M B Martinez St, Calexico, CA 92231 — (619) 381-6032 — 6 mi. Services: mobile testing, OBD testing. - **[Mobile Diesel Smoke Test](https://ctcfinder.com/tester/mobile-diesel-smoke-test-calexico/)** — 20 Las Flores Dr, Calexico, CA 92231 — (760) 879-2205 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Victor Medina clean carb](https://ctcfinder.com/tester/victor-medina-clean-carb-calexico/)** — 102 Annos Ct, Calexico, CA 92231 — (424) 541-6039 — 6 mi. Services: mobile testing, OBD testing. - **[GM Smoke Test Solutions](https://ctcfinder.com/tester/gm-smoke-test-solutions-seeley/)** — 1703 El Centro St 514, Seeley, CA 92273 — (760) 675-9323 — 6 mi. Services: mobile testing, OBD testing. - **[Alejandro Hernandez](https://ctcfinder.com/tester/alejandro-hernandez-imperial/)** — Imperial, CA 92251 — (760) 222-6604 — 10 mi. Services: mobile testing, OBD testing. - **[Valley Clean Emissions](https://ctcfinder.com/tester/valley-clean-emissions-imperial/)** — 620 Quartz St, Imperial, CA 92251 — (760) 554-3929 — 10 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Valley Clean Emissions Co](https://ctcfinder.com/tester/valley-clean-emissions-co-imperial/)** — 620 Quartz St, Imperial, CA 92251 — (619) 227-8382 — 10 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## Trucking in El Centro Imperial County includes the Calexico East commercial border crossing. Trucks from Mexico that operate in California are subject to Clean Truck Check. ## 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 El Centro? CTC Finder lists 4 testing businesses in El Centro 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 El Centro? Yes. 4 listed businesses in El Centro 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 El Centro? 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 - [Calexico](https://ctcfinder.com/testers/imperial-county/calexico/) — 6 listings, 6 mi - [Imperial](https://ctcfinder.com/testers/imperial-county/imperial/) — 3 listings, 10 mi