--- title: "Diesel Kings LLC — Clean Truck Check, North Highlands, CA" description: "Diesel Kings LLC in North Highlands, CA is on CARB's Clean Truck Check tester list. Offers OBD testing, motorhome testing. Phone, address and nearby testers." url: "https://ctcfinder.com/tester/diesel-kings-llc-north-highlands/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Diesel Kings LLC Clean Truck Check tester in North Highlands, CA (Sacramento County). > 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. | Field | Value | |---|---| | Location | 3200 Orange Grove Ave, North Highlands, CA 95660 | | County | Sacramento County | | Phone | (916) 862-2924 | | Mobile testing | No | | OBD testing | Yes | | Smoke opacity (non-OBD) | No | | Motorhomes | Yes | | Credentialed testers | 1 | | Last verified | 2026-11-01 | ## Which trucks Diesel Kings LLC can test | Your vehicle | Test required | This tester | |---|---|---| | Diesel, model year 2013 or newer | OBD scan | Yes | | Alternative fuel (natural gas, propane), 2018 or newer | OBD scan | Yes | | Diesel, model year 2012 or older (no OBD) | Smoke opacity test (SAE J1667) plus visual inspection | Not listed | | California-registered motorhome | Same test as above by engine year, once a year | Yes | For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Capital City Diesel Insp. in North Highlands, about 1 mile away. [See listing](https://ctcfinder.com/tester/capital-city-diesel-insp-north-highlands/). If you need a tester at your yard, the nearest listed tester that offers mobile testing is Capital City Diesel Insp. in North Highlands, about 1 mile away. [See listing](https://ctcfinder.com/tester/capital-city-diesel-insp-north-highlands/). ## Clean Truck Check testers in Sacramento County Diesel Kings LLC is one of 131 testing businesses in Sacramento County on CARB's public tester list. 118 of them offer mobile testing and 71 do smoke opacity tests. In North Highlands itself there are 5 listed businesses, 4 of them mobile. ## When your truck is due 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/). You can test up to 90 days before a deadline. Free email reminders: https://ctcfinder.com/reminders/ ## Frequently asked questions ### Does Diesel Kings LLC offer mobile Clean Truck Check testing? Not according to CARB's tester list; plan to bring the truck to the tester. The nearest listed mobile tester is [Capital City Diesel Insp.](https://ctcfinder.com/tester/capital-city-diesel-insp-north-highlands/) (about 1 mile). ### Can Diesel Kings LLC test a 2012 or older diesel truck? Diesel Kings LLC does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Capital City Diesel Insp.](https://ctcfinder.com/tester/capital-city-diesel-insp-north-highlands/) (about 1 mile). Trucks from 2013 on get an OBD scan instead. ### How much does Diesel Kings LLC charge for a Clean Truck Check? Diesel Kings LLC has not published prices with us; call (916) 862-2924 for a quote. Published California prices are usually $50–$135 per vehicle for an OBD test and $190–$200 for a smoke opacity test, plus CARB's annual fee ($32.13 in 2026). See the [cost guide](https://ctcfinder.com/guide/cost/). ### Is Diesel Kings LLC a CARB-credentialed tester? Diesel Kings LLC appears on CARB's public Clean Truck Check tester list, last checked November 1, 2026. Only credentialed testers can submit results to CARB; after the test, confirm the passing result shows for your vehicle in CTC-VIS. ## Other testers nearby - **[Capital City Diesel Insp.](https://ctcfinder.com/tester/capital-city-diesel-insp-north-highlands/)** — 4031 Ward Ave, North Highlands, CA 95660 — (916) 538-7777 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Elkhorn Smog](https://ctcfinder.com/tester/elkhorn-smog-north-highlands/)** — 3245 Elkhorn Blvd Suite 9, North Highlands, CA 95660 — (916) 412-0771 — 1 mi. Services: mobile testing, OBD testing. - **[RunOk Trans](https://ctcfinder.com/tester/runok-trans-north-highlands/)** — North Highlands, CA 95660 — (916) 272-0732 — 1 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Safe Auto Transport, Inc](https://ctcfinder.com/tester/safe-auto-transport-inc-north-highlands/)** — 6901 28th St, North Highlands, CA 95660 — (916) 346-9378 — 1 mi. Services: mobile testing, OBD testing. - **[CHI Transportation](https://ctcfinder.com/tester/chi-transportation-mcclellan/)** — Mcclellan, CA 95652 — (530) 903-6731 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing. - **[Diesel Emissions Service](https://ctcfinder.com/tester/diesel-emissions-service-mcclellan/)** — 4522 Parker Ave, Mcclellan, CA 95652 — (916) 473-7393 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.