---
title: "Central California Mobile Repair — Clean Truck Check, Stockton, CA"
description: "Central California Mobile Repair in Stockton, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD)…"
url: "https://ctcfinder.com/tester/central-california-mobile-repair-stockton/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Central California Mobile Repair

Clean Truck Check tester in Stockton, 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 | 2819 W March Ln Suite B6 #162, Stockton, CA 95219 |
| County | San Joaquin County |
| Phone | (209) 438-4689 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Central California Mobile Repair 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 | Yes |
| California-registered motorhome | Same test as above by engine year, once a year | Yes |

## Clean Truck Check testers in San Joaquin County

Central California Mobile Repair 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 Stockton itself there are 50 listed businesses, 43 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 Central California Mobile Repair offer mobile Clean Truck Check testing?

Yes. Central California Mobile Repair 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 Central California Mobile Repair test a 2012 or older diesel truck?

Yes. Central California Mobile Repair lists smoke opacity testing, the test CARB requires for diesel trucks of model year 2012 and older (no OBD). See [OBD vs smoke opacity](https://ctcfinder.com/guide/obd-vs-smoke-opacity-test/).

### How much does Central California Mobile Repair charge for a Clean Truck Check?

Central California Mobile Repair has not published prices with us; call (209) 438-4689 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 Central California Mobile Repair a CARB-credentialed tester?

Central California Mobile Repair 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

- **[A&G Truck Maintenance](https://ctcfinder.com/tester/a-and-g-truck-maintenance-stockton/)** — 10565 Dnieper Ln, Stockton, CA 95219 — (209) 910-7153 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Gabriel Galvan](https://ctcfinder.com/tester/gabriel-galvan-stockton/)** — Stockton, CA 95219 — (209) 636-9091 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[The Uglymechanic LLC](https://ctcfinder.com/tester/the-uglymechanic-llc-stockton/)** — 7010 Morton Ct, Stockton, CA 95219 — (209) 471-0945 — 1 mi. Services: mobile testing, OBD testing.
- **[A+ Auto Repair](https://ctcfinder.com/tester/a-auto-repair-stockton/)** — 9170 Thornton Rd, Stockton, CA 95209 — (916) 932-3372 — 9 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Evergreen Mobile Diesel Emissions Testing](https://ctcfinder.com/tester/evergreen-mobile-diesel-emissions-testing-lodi/)** — 747 Evergreen Dr, Lodi, CA 95242 — (209) 712-5369 — 10 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Frank C Alegre Trucking](https://ctcfinder.com/tester/frank-c-alegre-trucking-lodi/)** — 5100 W Highway 12, Lodi, CA 95242 — (209) 810-5035 — 10 mi. Services: not listed.