--- title: "Illest Diesel Jobs — Clean Truck Check, Lodi, CA" description: "Illest Diesel Jobs in Lodi, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing. Phone, address and nearby testers." url: "https://ctcfinder.com/tester/illest-diesel-jobs-lodi/" updated: "2026-11-01" publisher: "CTC Finder (independent directory, not affiliated with CARB)" --- # Illest Diesel Jobs Clean Truck Check tester in Lodi, CA (San Joaquin 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 | Lodi, CA 95240 | | County | San Joaquin County | | Phone | (209) 663-8479 | | Mobile testing | Yes | | OBD testing | Yes | | Smoke opacity (non-OBD) | No | | Motorhomes | No | | Credentialed testers | 1 | | Last verified | 2026-11-01 | ## Which trucks Illest Diesel Jobs 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 | Not listed | For a 2012 or older diesel, the nearest listed tester with smoke opacity testing is Capital City Diesel Inspections- TRUCK, BUS & RV in Lodi, about 1 mile away. [See listing](https://ctcfinder.com/tester/capital-city-diesel-inspections-truck-bus-and-rv-lodi/). ## Clean Truck Check testers in San Joaquin County Illest Diesel Jobs is one of 124 testing businesses in San Joaquin County on CARB's public tester list. 111 of them offer mobile testing and 53 do smoke opacity tests. In Lodi itself there are 12 listed businesses, 11 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 Illest Diesel Jobs offer mobile Clean Truck Check testing? Yes. Illest Diesel Jobs says on CARB's tester list that it offers mobile testing, so it can come to your yard or job site. Ask about a trip fee when you call. ### Can Illest Diesel Jobs test a 2012 or older diesel truck? Illest Diesel Jobs does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Capital City Diesel Inspections- TRUCK, BUS & RV](https://ctcfinder.com/tester/capital-city-diesel-inspections-truck-bus-and-rv-lodi/) (about 1 mile). Trucks from 2013 on get an OBD scan instead. ### How much does Illest Diesel Jobs charge for a Clean Truck Check? Illest Diesel Jobs has not published prices with us; call (209) 663-8479 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 Illest Diesel Jobs a CARB-credentialed tester? Illest Diesel Jobs 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 Inspections- TRUCK, BUS & RV](https://ctcfinder.com/tester/capital-city-diesel-inspections-truck-bus-and-rv-lodi/)** — 2600 Reynolds Ranch Pkwy, Lodi, CA 95240 — (916) 538-7777 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing. - **[Classic Heavy Equipment Service](https://ctcfinder.com/tester/classic-heavy-equipment-service-lodi/)** — 885 E Lodi Ave, Lodi, CA 95240 — (209) 400-8744 — 1 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Evolution Equipment](https://ctcfinder.com/tester/evolution-equipment-lodi/)** — 17840 N Bruella Rd, Lodi, CA 95240 — (209) 810-5796 — 1 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Express Smog](https://ctcfinder.com/tester/express-smog-lodi/)** — 320 N Cherokee Ln, Lodi, CA 95240 — (925) 875-8379 — 1 mi. Services: mobile testing, OBD testing, motorhome testing. - **[John's Mobile Repair](https://ctcfinder.com/tester/johns-mobile-repair-lodi/)** — 11056 N Golfview Rd, Lodi, CA 95240 — (209) 482-7564 — 1 mi. Services: mobile testing, OBD testing, motorhome testing. - **[Mobile Heavy Truck Smog.](https://ctcfinder.com/tester/mobile-heavy-truck-smog-lodi/)** — 714 Costa Dr, Lodi, CA 95240 — (209) 400-0545 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.