---
title: "shawn Truong — Clean Truck Check, La Mirada, CA | CTC Finder"
description: "shawn Truong in La Mirada, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome…"
url: "https://ctcfinder.com/tester/shawn-truong-la-mirada/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# shawn Truong

Clean Truck Check tester in La Mirada, 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 | La Mirada, CA 90638 |
| County | Los Angeles County |
| Phone | (714) 397-8025 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks shawn Truong 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 Los Angeles County

shawn Truong 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 La Mirada 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 shawn Truong offer mobile Clean Truck Check testing?

Yes. shawn Truong 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 shawn Truong test a 2012 or older diesel truck?

Yes. shawn Truong 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 shawn Truong charge for a Clean Truck Check?

shawn Truong has not published prices with us; call (714) 397-8025 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 shawn Truong a CARB-credentialed tester?

shawn Truong 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

- **[Burke Banner](https://ctcfinder.com/tester/burke-banner-la-mirada/)** — La Mirada, CA 90638 — (562) 810-1446 — 1 mi. Services: mobile testing, OBD testing.
- **[Carbwise](https://ctcfinder.com/tester/carbwise-la-mirada/)** — 4651 Fairhope Dr, La Mirada, CA 90638 — (714) 900-3114 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Mike’s Mobile Clean Truck Check](https://ctcfinder.com/tester/mikes-mobile-clean-truck-check-la-mirada/)** — 15420 Avenida Socorro, La Mirada, CA 90638 — (626) 522-2648 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Udell Enterprises Inc.](https://ctcfinder.com/tester/udell-enterprises-inc-la-mirada/)** — 11802 Hollyview Drive, La Mirada, CA 90638 — (714) 713-2648 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Revix LLC](https://ctcfinder.com/tester/revix-llc-whittier/)** — 14614 Broadway, Whittier, CA 90604 — (562) 753-4564 — 2 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[CS Transportation Insurance Agency](https://ctcfinder.com/tester/cs-transportation-insurance-agency-buena-park/)** — 7033 Orangethorpe Ave Suite B, Buena Park, CA 90621 — (213) 718-4468 — 2 mi. Services: mobile testing, OBD testing.