---
title: "MLI CARB Test — Clean Truck Check, Hawthorne, CA"
description: "MLI CARB Test in Hawthorne, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, motorhome testing. Phone, address and nearby…"
url: "https://ctcfinder.com/tester/mli-carb-test-hawthorne/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# MLI CARB Test

Clean Truck Check tester in Hawthorne, CA (Los Angeles 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 | Hawthorne, CA 90250 |
| County | Los Angeles County |
| Phone | (818) 855-3007 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | No |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks MLI CARB Test 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 Clear Path Emissions in Gardena, about 2 miles away. [See listing](https://ctcfinder.com/tester/clear-path-emissions-gardena/).

## Clean Truck Check testers in Los Angeles County

MLI CARB Test is one of 516 testing businesses in Los Angeles County on CARB's public tester list. 465 of them offer mobile testing and 190 do smoke opacity tests. In Hawthorne itself there are 5 listed businesses, 5 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 MLI CARB Test offer mobile Clean Truck Check testing?

Yes. MLI CARB Test 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 MLI CARB Test test a 2012 or older diesel truck?

MLI CARB Test does not list smoke opacity testing, which older non-OBD diesel trucks need. The nearest listed tester that does is [Clear Path Emissions](https://ctcfinder.com/tester/clear-path-emissions-gardena/) (about 2 miles). Trucks from 2013 on get an OBD scan instead.

### How much does MLI CARB Test charge for a Clean Truck Check?

MLI CARB Test has not published prices with us; call (818) 855-3007 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 MLI CARB Test a CARB-credentialed tester?

MLI CARB Test 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

- **[Amy Morales](https://ctcfinder.com/tester/amy-morales-hawthorne/)** — Hawthorne, CA 90250 — (310) 613-3882 — 1 mi. Services: mobile testing, OBD testing.
- **[Haja Daramy](https://ctcfinder.com/tester/haja-daramy-hawthorne/)** — Hawthorne, CA 90250 — (562) 331-3751 — 1 mi. Services: mobile testing.
- **[Israel Gonzalez](https://ctcfinder.com/tester/israel-gonzalez-hawthorne/)** — Hawthorne, CA 90250 — (310) 613-2886 — 1 mi. Services: mobile testing, OBD testing.
- **[Jovany Rodriguez](https://ctcfinder.com/tester/jovany-rodriguez-hawthorne/)** — Hawthorne, CA 90250 — (310) 686-5609 — 1 mi. Services: mobile testing, OBD testing.
- **[Lax Smog](https://ctcfinder.com/tester/lax-smog-inglewood/)** — 4490 W Century Blvd, Inglewood, CA 90304 — (310) 671-7664 — 2 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[A1 Smog Test Center](https://ctcfinder.com/tester/a1-smog-test-center-lawndale/)** — 4135 Redondo beach blvd, Lawndale, CA 90260 — (310) 400-4037 — 2 mi. Services: OBD testing.