---
title: "Liz Hernandez — Clean Truck Check, Lakewood, CA | CTC Finder"
description: "Liz Hernandez in Lakewood, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, smoke opacity (non-OBD) testing. Phone, address and nearby…"
url: "https://ctcfinder.com/tester/liz-hernandez-lakewood/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Liz Hernandez

Clean Truck Check tester in Lakewood, 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 | Lakewood, CA 90713 |
| County | Los Angeles County |
| Phone | (714) 605-3803 |
| Mobile testing | Yes |
| OBD testing | No |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | No |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Liz Hernandez can test

| Your vehicle | Test required | This tester |
|---|---|---|
| Diesel, model year 2013 or newer | OBD scan | Not listed |
| Alternative fuel (natural gas, propane), 2018 or newer | OBD scan | Not listed |
| 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 | Not listed |

## Clean Truck Check testers in Los Angeles County

Liz Hernandez 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 Lakewood itself there are 4 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 Liz Hernandez offer mobile Clean Truck Check testing?

Yes. Liz Hernandez 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 Liz Hernandez test a 2012 or older diesel truck?

Yes. Liz Hernandez 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 Liz Hernandez charge for a Clean Truck Check?

Liz Hernandez has not published prices with us; call (714) 605-3803 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 Liz Hernandez a CARB-credentialed tester?

Liz Hernandez 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

- **[Valverde Construction](https://ctcfinder.com/tester/valverde-construction-lakewood/)** — 11343 214th St, Lakewood, CA 90715 — (562) 225-5099 — 2 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Epik Diesel Inc.](https://ctcfinder.com/tester/epik-diesel-inc-lakewood/)** — 4354 Camerino Street, Lakewood, CA 90712 — (562) 477-2927 — 2 mi. Services: mobile testing, OBD testing.
- **[Savonnareth Hang](https://ctcfinder.com/tester/savonnareth-hang-lakewood/)** — Lakewood, CA 90712 — (562) 376-0096 — 2 mi. Services: mobile testing, OBD testing.
- **[Socal Diesel Repair LLC](https://ctcfinder.com/tester/socal-diesel-repair-llc-artesia/)** — 17224 Alburtis Ave, Artesia, CA 90701 — (562) 304-3194 — 2 mi. Services: not listed.
- **[Sunny.Mobile.CTC](https://ctcfinder.com/tester/sunny-mobile-ctc-artesia/)** — Artesia, CA 90701 — (949) 942-1282 — 2 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Ricky Royse](https://ctcfinder.com/tester/ricky-royse-cerritos/)** — Cerritos, CA 90703 — (562) 972-5508 — 3 mi. Services: mobile testing, OBD testing, motorhome testing.