--- title: "Clean Truck Check Testers in Imperial, CA (3 listed)" description: "Find 3 CARB-credentialed Clean Truck Check testers in Imperial, Imperial County: 3 offer mobile testing, 2 do smoke opacity tests. Phone numbers, services and…" url: "https://ctcfinder.com/testers/imperial-county/imperial/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Clean Truck Check testers in Imperial, CA 3 testing businesses in Imperial (Imperial County) are on CARB's public Clean Truck Check tester list (3 credentialed testers). 3 offer mobile testing, 2 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 Imperial - **[Alejandro Hernandez](https://ctcfinder.com/tester/alejandro-hernandez-imperial/)** — Imperial, CA 92251 — (760) 222-6604. 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. 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. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. ## More testers within 20 miles - **[GM Smoke Test Solutions](https://ctcfinder.com/tester/gm-smoke-test-solutions-seeley/)** — 1703 El Centro St 514, Seeley, CA 92273 — (760) 675-9323 — 5 mi. Services: mobile testing, OBD testing. - **[American Diesel Repair](https://ctcfinder.com/tester/american-diesel-repair-el-centro/)** — 702 E Ross Ave, El Centro, CA 92243 — (760) 540-2006 — 10 mi. 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 — 10 mi. 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 — 10 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Ricardo Lepe](https://ctcfinder.com/tester/ricardo-lepe-el-centro/)** — El Centro, CA 92243 — (760) 791-6779 — 10 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Alejandro Valenzuela](https://ctcfinder.com/tester/alejandro-valenzuela-calexico/)** — Calexico, CA 92231 — (760) 554-7600 — 15 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 — 15 mi. Services: OBD testing. - **[Ev Logistics LLC](https://ctcfinder.com/tester/ev-logistics-llc-calexico/)** — 413 Rood Rd, Calexico, CA 92231 — (442) 367-6600 — 15 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 — 15 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 — 15 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 — 15 mi. Services: mobile testing, OBD testing. ## Trucking in Imperial 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 Imperial? CTC Finder lists 3 testing businesses in Imperial from CARB's public tester list (3 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 Imperial? Yes. 3 listed businesses in Imperial 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 Imperial? 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 - [El Centro](https://ctcfinder.com/testers/imperial-county/el-centro/) — 4 listings, 10 mi - [Calexico](https://ctcfinder.com/testers/imperial-county/calexico/) — 6 listings, 15 mi